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Time and Work MCQ Questions & Answers

Time and Work MCQs : This section focuses on the "Time and Work". These Multiple Choice Questions (MCQs) should be practiced to improve the Time and Work skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Five men and nine women can do a piece of work in 10 days. Six men and twelve women can do the same work in 8 days. In how many days can three men and three women do the work  ?

A. 18 days
B. 20 days
C. 16 days
D. 14 days

View Answer

Question 2

P and Q can complete a task in 50 and 20 days respectively. In how many days can they complete 70% of the task if they work together?

A. 20 days
B. 20 days
C. 40 days
D. 10 days

View Answer

Question 3

Anil can do a piece of work in 14 days which Rohit can do in 21 days. They worked together for few days after which Anil left. If Rohit worked alone for 3 days, find the total number of days it took to complete the whole work.

A. 31/5
B. 51/5
C. 21/5
D. 13/5

View Answer

Question 4

A can finish a work in 18 days and B in 36 days. If they work on it together for 9 days, then what percent of work is left?

A. 33.3
B. 20
C. 75
D. 25

View Answer

Question 5

Type 1 workers can do three times the work of Type 2 workers. Twelve Type 1 workers can complete a task in 10 days. How many days would it have taken 4 Type 1 and 8 Type 2 workers to complete the same task?

A. 16
B. 17
C. 20
D. 18

View Answer

Question 6

Three taps P, Q and R can fill a tank in 12 hrs, 15 hrs and 20 hrs respectively. If P is open all the time and Q and R are open for one hour each alternately, starting with Q, then the tank will be full in how many hours ?

A. 9 hrs
B. 7 hrs
C. 13 hrs
D. 11 hrs

View Answer

Question 7

A can do 1/2 of a piece of work in 8 days while B can do1/3of the same work in 8 days. In how many days can both do it together?

A. 9.6 days
B. 10.5 days
C. 11.2 days
D. 16 days

View Answer

Question 8

A is 50% more efficient than B. They together start the work and 7/12th of work is left after 8 days. Find in what time B alone will complete the whole work.

A. 36 days
B. 44 days
C. 50 days
D. 40 days

View Answer

Question 9

If 6 engines consume 24 metric tonnes of coal, when each is working 8 hours day, how much coal will be required for 9 engines, each running 13hours a day, it being given that 2 engines of former type consume as much as 3 engines of latter type ?

A. 45 metric tonnes
B. 47 metric tonnes
C. 55 metric tonnes
D. 34 metric tonnes

View Answer

Question 10

Akhilesh is two times as good a workman as Bansi and therefore is able to finish a job in 39 days less than Bansi. Working together, they can do it in

A. 13 days
B. 24 days
C. 26 days
D. 12 days

View Answer

Question 11

In a hostel, there was food for 1000 students for one month. After 10 days, 1000 more students joined the hostel. How long would the students be able to carry on with the remaining food?

A. 10 days
B. 15 days
C. 20 days
D. 5 days

View Answer

Question 12

A Contractor employed a certain number of workers  to finish constructing a road in a certain scheduled time. Sometime later, when a part of work had been completed, he realised that the work would get delayed by three-fourth of the  scheduled time, so he at once doubled the no of workers and thus he managed to finish the road on the scheduled time. How much work he had been completed, before increasing the number of workers?

A. 10 %
B. 14 ( 2/7 )%
C. 20 %
D. Can't be determined

View Answer

Question 13

A, B and C can do a piece of work in 72, 48 and 36 days respectively. For first p/2 days, A & B work together and for next ((p+6))/3days all three worked together. Remaining 125/3% of work is completed by D in 10 days. If C & D worked together for p day then, what portion of work will be remained?

A. 1/5
B. 1/6
C. 1/7
D. 1/8

View Answer

Question 14

Amar can complete a work in 30 days and Raman can complete the same work in 15 days. If both of them work together, then in 4 days what percent of the total work will be completed?

A. 15
B. 37
C. 40
D. 45

View Answer

Question 15

A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

A. 20 days
B. 22(1/2) days
C. 25 days
D. 30 days

View Answer

Question 16

A can do 50% of the job in 16 days, B can do 1/4th of the job in 24 days. In how many days can they do 3/4th of the job working together?

A. 24
B. 9
C. 21
D. 18

View Answer

Question 17

A can do a work in 20 days and B in 10 days. If they work on it together for 5 days, then what fraction of work is left.

A. 4/9
B. 1/4
C. 1/5
D. 2/9

View Answer

Question 18

P and Q together can make a door in 12 days. They started the work together but after 8 days P left the work. The remaining work is completed by Q alone in 7 more days. In how many days can P alone complete the entire work?

A. 21
B. 24
C. 28
D. 32

View Answer

Question 19

A and B can do a piece of work in 72 days. B and C can do it in 120 days and A and C can do it in 90 days. A alone can do it in:

A. 120 days
B. 130 days
C. 150 days
D. 100 days

View Answer

Question 20

Manjeet can do a work in 18 hours. If he is joined by Jaya who is 100% more efficient, in what time will they together finish the work?

A. 6 hours
B. 3 hours
C. 12 hours
D. 24 hours

View Answer

Question 21

Two persons K and L can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days ?

A. 1/6
B. 1/3
C. 2/3
D. 1/18

View Answer

Question 22

A can do a work in 21 days and B in 42 days. If they work on it together for 7 days, then what fraction of work is left?

A. 1/3
B. 1/4
C. 2/3
D. 1/2

View Answer

Question 23

A can paint a house in 45 days and B can do it in 15 days. Along with C, they did the job in 5 days only. Then, C alone can do the job in how many days?

A. 12
B. 9
C. 15
D. 8

View Answer

Question 24

A and B together do a job in 15 days and A alone could do the same job in 20 days. How many days would B take to do half the job if he worked alone?

A. 60
B. 30
C. 45
D. 40

View Answer

Question 25

A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days then in how many days can they finish the rest of the job if B alone can do the job in 15 days?

A. 6
B. 3
C. 9
D. 2

View Answer

Question 26

A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?

A. 30 days
B. 50 days
C. 40 days
D. 60 days

View Answer

Question 27

A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ?

A. 3 hrs
B. 6 hrs
C. 7 hrs
D. 5 hrs

View Answer

Question 28

A, B and C together can finish a task in 12 days. A is twice as productive as B and C alone can do the task in 36 days. In how many days can A and B do the task if C goes on leave?

A. 10
B. 20
C. 15
D. 18

View Answer

Question 29

B does 50% of a work in 20 days. C joins B and they together finish the remaining work in 4 days. C alone can do the whole work in ____ days.

A. 10
B. 8
C. 12
D. 9

View Answer

Question 30

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

A. 24 men
B. 22 men
C. 23 men
D. 25 men

View Answer

Question 31

Prabhas is twice as good a workman as Rana and finishes a piece of work in 3 hours. In how many hours they together could finish that piece of work?

A. 3 hrs
B. 3.5 hrs
C. 2.5 hrs
D. 2 hrs

View Answer

Question 32

Robin can do a work alone in 9 days. Amit can do the same work alone in 6 days. Both of them finish the work together and they get a total Rs 2500. What isthe share (in Rs) of Robin?

A. 1700
B. 1200
C. 1500
D. 1000

View Answer

Question 33

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days what is time taken by 15 men and 20 boys?

A. 4 days
B. 6 days
C. 7 days
D. 5 days

View Answer

Question 34

28 Men and 52 women working together completes a work in 22.5 days. 35 men and 65 women working together on same work will complete it in how many days?

A. 16
B. 18
C. 19
D. 21

View Answer

Question 35

Jaikishen can do a piece of work in 15 hours. If he is joined by Jhanvi who is 50% more efficient, in what time will they together finish the work?

A. 6 hours
B. 12 hours
C. 3 hours
D. 9 hours

View Answer

Question 36

Munni can bake 70 cakes in 7 hours, Munni and Guddi together can bake 90 cakes in 6 hours. How many cakes Guddi can bake in 10 hours?

A. 100
B. 50
C. 125
D. 25

View Answer

Question 37

Raja and Kundan together can build a wall in 20 days, Kundan and Mahesh build the same wall in 30 days and Mahesh and Raja can build the same wall in 24 days. In how many days can all the three complete the same wall while working together?

A. 18
B. 16
C. 20
D. 14

View Answer

Question 38

A and B can complete a piece of work in 10 days and 15 days respectively. B starts the work and is joined by A after 5 days. If they earn a total of Rs. 60, what are their individual shares?

A. Rs.24, Rs.36
B. Rs.30, Rs.30
C. Rs.20, Rs.40
D. Rs.25, Rs.35

View Answer

Question 39

A and B together can complete a task in 12 days. However, if A works alone, completes half the job and leaves and then B works alone and competes the rest of the work, it takes 25 days in all to complete the work. If B is more efficient than A, how many days would it have taken B to do the work by herself?

A. 18
B. 22
C. 20
D. 15

View Answer

Question 40

If 10 people can do a job in 20 days,then 20 people with twice the efficiency can do the same job in

A. 5 days
B. 10 days
C. 20 days
D. 40 days

View Answer

Question 41

If A and B together do a job in 7.5 days and if A could do the job in 10 days if he worked alone. How many days would B take to do the job if he worked alone?

A. 30
B. 40
C. 25
D. 50

View Answer

Question 42

M can complete 3/4 part of a work in 12 days and N can complete 2/7 part of the same work in 8 days. In how many days will both complete 11/14 part of the total work?

A. 8
B. 9
C. 7
D. 6

View Answer

Question 43

If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make

A. 20 mats
B. 10 mats
C. 15 mats
D. 5 mats

View Answer

Question 44

K can build a wall in 30 days. L can demolish that wall in 60 days. If K and L work on alternate days, when will the wall be completed ?

A. 120 days
B. 119 days
C. 118 days
D. 117 days

View Answer

Question 45

A single reservoir supplies the petrol to the whole city, while the reservoir is fed by a single pipeline filling the reservoir with the stream of uniform volume. When the reservoir is full and if 40,000 liters of petrol is used daily, the suply fails in 90 days.If 32,000 liters of petrol is used daily, it fails in 60 days. How much petrol can be used daily with out the supply ever failing?

A. 64000 liters
B. 56000 liters
C. 78000 liters
D. 60000 liters

View Answer

Question 46

A can do 75% of a job in 9 days and B can do half of the job in 8 days. If they work on it together, then in how many days can they do half of the job?

A. 40/7
B. 24/7
C. 7/2
D. 9/2

View Answer

Question 47

Ramesh and Rahman can do a work in 20 and 25 days respectively. After doing collectively 10 days of work, they leave the work due to illness and Suresh completes rest of the work in 3 days. How many days Suresh alone can take to complete the whole work ?

A. 32 days
B. 28 days
C. 29 days
D. 30 days

View Answer

Question 48

It takes one minute to fill 2/7 th of a vessel. What is the time taken in minutes to fill the whole of the vessel  ?

A. 1/7 min
B. 7/2 min
C. 5/7 min
D. 7/5 min

View Answer

Question 49

Two typists of varying skills can do a typing jobin6 minutesifthey work together.Ifthe first typist typed alone for 4 minutes and then the second typist typed alone for 6 minutes, they would be left with 1/5 of the whole work.Howmany minutes would it take the slower typist to complete the typing job working alone?

A. 10 minutes
B. 15 minutes
C. 12 minutes
D. 20 minutes

View Answer

Question 50

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

A. 18 days
B. 24 days
C. 30 days
D. 36 days

View Answer

Question 51

If Data Interpretation and Modern Maths were taught for a combined time of 96 hours, then for how much time (in hours) were Number system and Geometrytaught?

A. 136
B. 184
C. 216
D. 232

View Answer

Question 52

X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?

A. 8
B. 12
C. 12.5
D. 7.5

View Answer

Question 53

A can do a work in 16 days and B in 20 days. If they work on it together for 8 days, then what fraction of work is left?

A. 1/3
B. 1/6
C. 2/9
D. 1/10

View Answer

Question 54

3 men or 4 women can complete a job in 120 days. 12 men and 16 women will complete the same job in how many days?

A. 12
B. 14
C. 15
D. 18

View Answer

Question 55

A piece of work was finished by A, B and C together. A and B together finished 60% of the work and B and C together finished 70% of the work. Who among the three is most efficient?

A. A
B. B
C. C
D. None

View Answer

Question 56

When A, B and C are deployed for a task , A and B together do 70% of the work and B and C together do 50% of the work. who is most efficient?

A. A
B. B
C. C
D. can't be determined

View Answer

Question 57

P alone can do a piece of work in 8 days and Q alone can do the same work in 10 days. In how many days will both together complete the same work?

A. 40/9
B. 20/9
C. 60/7
D. 40/7

View Answer

Question 58

35 persons are engaged to complete a work in 60 days. After 32 days it is observed that only (2/5)th part of the work has been done. The number of persons to be engaged to complete the remaining work in the said period is

A. 20
B. 35
C. 30
D. 25

View Answer

Question 59

A, B and C can complete the work in 4, 5 and 6 hours respectively. If they all work together and receive Rs. 777 as wages then find the share of A.

A. Rs. 300
B. Rs. 315
C. Rs. 326
D. Rs. 175

View Answer

Question 60

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?

A. 3:4
B. 4:3
C. 5:3
D. Data inadequate

View Answer

Question 61

Two persons Shyam and Rahim can do a job in 32 days together. Rahim can do the same job in 48 days alone. They started working together and after working 8 days Rahim is replaced by a third person Ram whose efficiency is half that of Rahim. Find in how many days the remaining work will be completed by both Shyam and Ram together?

A. 16 days
B. 72/5 days
C. 15 days
D. 96/5 days

View Answer

Question 62

P can do a piece of work in 5 less days than Q. If both of them can do the same work in 1119days, in how many days will Q alone do the same work  ?

A. 24 days
B. 25 days
C. 20 days
D. 19 days

View Answer

Question 63

X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

A. 2.67 days
B. 2.33 days
C. 3.33 days
D. 3.67 days

View Answer

Question 64

P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?

A. 5(5/11)
B. 5(6/11)
C. 6(5/11)
D. 6(6/11)

View Answer

Question 65

Working together A, B and C can complete a task in 12 days. A and B can do the task in 55 days and 66 days respectively if they worked alone. In how many days can C do the task if he worked alone?

A. 22
B. 44
C. 20
D. 40

View Answer

Question 66

The efficiency of work of P and Q are in the ratio 5:7. What will be the ratio of number of days taken by them to finish the work?

A. 7:5
B. 3:4
C. 4:3
D. 5:7

View Answer

Question 67

There are three boats B1, B2 and B3 working together they carry 60 people in each trip. One day an early morning B1 carried 50 people in few trips alone. When it stopped carrying the passengers B2 and B3 started carrying the people together. It took a total of 10 trips to carry 300 people by B1, B2 and B3. It is known that each day on an average 300 people cross the river using only one of the 3 boats B1, B2 and B3. How many trips it would take to B1, to carry 150 passengers alone?

A. 15
B. 30
C. 25
D. 10

View Answer

Question 68

A and B together can do a piece of work in 40 days. A having worked for 20 days, B finishes the remaining work alone in 60 days. In How many days shall B finish the  whole work alone?

A. 60
B. 70
C. 80
D. 90

View Answer

Question 69

A group of men can complete a job in K hours. After every 4 hours, half the number of men working at that point of time leave the job. Continuing this way if the job is finished in 16 hours, what is the value of K ?

A. 7 hrs
B. 7.5 hrs
C. 8 hrs
D. 8.25 hrs

View Answer

Question 70

A can do a work in 8 days, B can do the same work in 10 days and C can do the same work in 12 days. If all three of them do the same work together and they are paid Rs 7400, then what is the share (in Rs) of B?

A. 2600
B. 3000
C. 2400
D. 2000

View Answer

Question 71

A and B together can do a piece of work in 9 days. If A does thrice the work of B in a given time, the time A alone will take to finish the work is

A. 4 days
B. 6 days
C. 8 days
D. 12 days

View Answer

Question 72

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

A. 16/3
B. 15/4
C. 17/3
D. 19/4

View Answer

Question 73

X can complete a task in 8 days, whereas Y can complete the same task in 10 days. If they work together, in how many days will the task be completed?

A. 40/9
B. 9/40
C. 44/9
D. 9/44

View Answer

Question 74

A can complete a work in 20 days and B can complete the same work in 25 days. If both of them work together, then in 3 days what percent of the total work will be completed?

A. 9
B. 12
C. 25
D. 27

View Answer

Question 75

Sashi can do a piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is:

A. 15
B. 16
C. 18
D. 25

View Answer

Question 76

A and B together can complete a work in 24 days. B alone does 1/3rd part ofthis work in 12 days. How many days will A alone take to complete the remaining work?

A. 24
B. 36
C. 48
D. 72

View Answer

Question 77

A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. Working together they can do the work in

A. 12 days
B. 13 days
C. 16 days
D. 26 days

View Answer

Question 78

A and B can complete a piece of task together in 12 days while A alone can do it in 15 days. They start working together but A leaves 10 days before the completion of the task. For how many days did A and B work together?

A. 9
B. 10
C. 8
D. 11

View Answer

Question 79

Pankaj has done 1/2 of a job in 12 days, Sainath completes the rest of the job in 6 days. In how many days can they together do the job?

A. 4 days
B. 12 days
C. 8 days
D. 16 days

View Answer

Question 80

X can complete the work in 10 days, Y can do the same in 15 days. If they are hired for 5 days to do the work together, what is the work that left unfinished?

A. 1/3
B. 2/3
C. 1/6
D. 5/6

View Answer

Question 81

Murad can do a piece of work in 33 hours. If he is joined by Joel who is 100% more efficient, in what time will they together finish the work?

A. 4 hours
B. 6 hours
C. 2 hours
D. 11 hours

View Answer

Question 82

A can write 32 pages in 6 hours and B can write 40 pages in 5 hours. If they write together, in how many hours they can write 110 pages ?

A. 7 hrs
B. 6 hrs 10 min
C. 5 hrs 25min
D. 8 hrs 15 min

View Answer

Question 83

There is sufficient salary to give K for 10 days and L for 15 days. Then how many days will the money last if both has to be given the salary ?

A. 6 days
B. 12 days
C. 4 days
D. 9 days

View Answer

Question 84

Mr. Raghav taught Geometry for 36 hours. If the time taken in teaching Ratio consitutes one-fourth of the time for Arithmetic, then for how much time (in hours) did he taught the topic of Ratio?

A. 46
B. 51.75
C. 69
D. 103.5

View Answer

Question 85

A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:

A. 9(1/5) days
B. 9(2/5) days
C. 9(3/5) days
D. 10 days

View Answer

Question 86

Amar can do a piece of work in 10 days. He works at it for 4 days and then Arun finishes it in 9 days. In how many days can Amar and Arun together finish the work ?

A. 4 days
B. 8 days
C. 3 days
D. 6 days

View Answer

Question 87

A can do a work in 15 days and B in 9 days. If they work on it together for 5 days, then what fraction of work is left?

A. 1/6
B. 3/7
C. 1/3
D. 1/9

View Answer

Question 88

Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will they take to complete the remaining work ?

A. 3 days
B. 2 days
C. 6 days
D. 12 days

View Answer

Question 89

The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is twice as fast as a woman. How long will 12 men, 10 children and 8 women take to complete a job, given that a child would finish the job in 20 days.

A. 4 Days
B. 3 Days
C. 2 Days
D. 1 Day

View Answer

Question 90

Brajen can paint a wall red in 10 hrs while Ballari can whitewash the wall completely in 12 hrs. If Brajen and Ballari work alternately for an hour each starting when the wall has just cement on it till when it is completely painted red, how many hours will it take to paint the entire wall red?

A. 109
B. 108
C. 120
D. 110

View Answer

Question 91

Manoj can do a piece of work in 42 hours. If he is joined by Jayashree who is 100% more efficient, in what time they will finish the work together?

A. 7 hours
B. 3.5 hours
C. 14 hours
D. 2.5 hours

View Answer

Question 92

16 women can do a piece of work in 10 days while 15 men can do the same work in 12 days. All men and all women work alternately starting with all men, then find the time taken by them to complete the whole work?

A. 10 5/2 days
B. 11 days
C. 11 2/5 days
D. 12 1/2 days

View Answer

Question 93

A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only.C alone can do the painting job in how many days, ?

A. 9
B. 12
C. 14
D. 15

View Answer

Question 94

A and B do (3/5) th part of a work and the rest of the work is completed by C. If A, B and C take the same work for Rs 5000, then what is the share of C (in Rs)?

A. 3000
B. 2500
C. 2000
D. 1500

View Answer

Question 95

A can build a wall in 16 days while B can destroy it in 8 days. A worked for 5 days. Then B joined with A for the next 2 days. Find in how many days could A build the remaining wall ?

A. 12 days
B. 14 days
C. 13 days
D. 16 days

View Answer

Question 96

A television show lasted for 4 2/3 hrs. If 1/5 th of the total time was spent on advertisements, what was the actual duration of the television show?

A. 14/15 hrs
B. 37/15 hrs
C. 4/5 hrs
D. 56/15 hrs

View Answer

Question 97

Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be

A. 8
B. 4
C. 7
D. 9

View Answer

Question 98

P, Q and R together can make a table in 40 minutes. P and Q together can make it in 60 minutes. How much time (in minutes) will R alone take to make the table?

A. 100
B. 120
C. 90
D. 150

View Answer

Question 99

A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. C can alone do the work in

A. 5 days
B. 6 days
C. 10 days
D. 12 days

View Answer

Question 100

A mason can build a wall in 18 hours. After 9 hours he takes a break. What fraction of the wall is yet to be built?

A. 0.9
B. 0.25
C. 0.5
D. 0.2

View Answer

Question 101

A is thrice efficient as B and C is twice as efficient as B. what is the ratio of number of days taken by A,B and C, when they work individually?

A. 2:6:3
B. 2:3:6
C. 1:2:3
D. 3:1:2

View Answer

Question 102

Madhur works 2 times faster than Sagar. If Sagar can complete a job alone in 18 days, then in how many days can they together finish the job?

A. 5 days
B. 2 days
C. 6 days
D. 4 days

View Answer

Question 103

24 men can do a piece of work in 17 days.How many men will be able to do it in 51 days ?

A. 8
B. 10
C. 12
D. 6

View Answer

Question 104

K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ?

A. 5.5 days
B. 6 days
C. 4.2 days
D. 5 days

View Answer

Question 105

Manish is four times as efficient as Puneet. Manish takes 90 days less than Puneet to complete a book. If both of them work together, then in how many days the book will be completed?

A. 28
B. 25
C. 24
D. 30

View Answer

Question 106

M, N and O can complete the work in 18, 36 and 54 days respectively. M started the work and worked for 8 days, then N and O joined him and they all worked together for some days. M left the job one day before completion of work. For how many days they all worked together?

A. 4
B. 5
C. 3
D. 6

View Answer

Question 107

After working for 8 days, Hari Ram finds that only 1/3 rd of the work has been done. He employs Satya who is 60% as efficient as Hari Ram. How many days more would Satya take to complete the work ?

A. 24 1/2 days
B. 25 3/2 days
C. 24 2/3 days
D. 26 2/3 days

View Answer

Question 108

X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work?

A. 13(1/3) days
B. 15 days
C. 20 days
D. 26 days

View Answer

Question 109

Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. The ratio between the capacity of a man and a woman is

A. 3:4
B. 4:3
C. 5:3
D. 5:7

View Answer

Question 110

A and  B can do  a piece of work in 30 days , while  B and C can do the same work in 24 days and C and A in 20 days . They all work together for 10 days when B and C leave. How many days more will A take to finish  the work?

A. 18 days
B. 24 days
C. 30 days
D. 36 days

View Answer

Question 111

A can do 75% of a job in 18 days and B can do 25% of the job in 12 days. If they work on it together, in how many days can they do 75% of the job?

A. 16
B. 8
C. 20
D. 12

View Answer

Question 112

Working alone A can do the task in 27 hours and B can do it in 54 hours. Find C's share (in Rs) if A, B and C get paid Rs 4,320 for completing a task in 12 hours on which they worked together.

A. 1440
B. 960
C. 1920
D. 1280

View Answer

Question 113

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A. 8
B. 6
C. 10
D. 9

View Answer

Question 114

9 men and 12 boys finish a job in 12 days, 12 men and 12 boys finish it in 10 days. 10 men and 10 boys shall finish it in how many days ?

A. 15 days
B. 11 days
C. 14 days
D. 12 days

View Answer

Question 115

P alone can do a piece of work in 24 days. The time taken by P to complete one-third of work is equal to time taken by Q to complete half of the work. How many days are required to complete by P and Q working together ?

A. 9 3/5 days
B. 7 days
C. 6 3/7 days
D. 8 days

View Answer

Question 116

An hour-long test has 60 problems. If a student completes 30 problems in 25 minutes, then the required seconds he has taken on average for computing each of the remaining problems is

A. 70 seconds
B. 50 seconds
C. 40 seconds
D. 30 seconds

View Answer

Question 117

If 2 men and 3 women can do a piece of work in 8 days and 3 men and 2 women in 7 days. In how many days can the work be done by 5 men and 4 women working together?

A. 3 days
B. 6 days
C. 4 days
D. 2 days

View Answer

Question 118

Pavan and Sravan are two persons. If Pavan works with his actual efficiency and Sravan twice of his actual efficiency then it takes 25 days to complete the work. But If Pavan works twice of his actual efficiency and Sravan with his normal efficiency then the work is completed in 20 days. How many days would it take if Sravan alone works with his actual efficiency (in Days)?

A. 50
B. 100
C. 70
D. 35

View Answer

Question 119

A can complete a work in 12 days with a working of 8 hours per day. B can complete the same work in 8 days when working 10 hours a day. If A and B work together, working 8 hours a day, the work can be completed in --- days  ?

A. 51/24
B. 87/5
C. 57/12
D. 60/11

View Answer

Question 120

Sixty men can stitch 150 shirts in 30 days working 8 hours a day. In how many days can 35 men stitch 200 shirts working 6 hours a day ?

A. 87.5
B. 89
C. 91.5
D. 93.5

View Answer

Question 121

A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it?

A. 8 hours
B. 10 hours
C. 12 hours
D. 24 hours

View Answer

Question 122

A can do a work in 15 days and B in 20 days. If they work on it together for 5 days, then what fraction of work is left?

A. 2/9
B. 3/10
C. 5/12
D. 1/4

View Answer

Question 123

Mandeep works 3 times as fast as Sampat. If Sampat can complete a job alone in 60 days, then in how many days can they together finish the job?

A. 7 days
B. 4 days
C. 5 days
D. 15 days

View Answer

Question 124

A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in:

A. 15 days
B. 20 days
C. 25 days
D. 30 days

View Answer

Question 125

If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time  ?

A. 1:2
B. 1:3
C. 3:1
D. 2:1

View Answer

Question 126

A does 60% of a work in 15 days. He then calls B, and they together finish the remaining work in 5 days. How long B alone would take to do the whole work?

A. 25 days
B. 20 days
C. 80 days
D. 24 days

View Answer

Question 127

Painter 'A' can paint a house in 10 days and 'B' can do it in 20 days. With help of 'C', they did the job in 5 days only. Then, 'C' alone can do the job in:

A. 20 days
B. 10 days
C. 40 days
D. 50 days

View Answer

Question 128

Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

A. 15
B. 16
C. 18
D. 25

View Answer

Question 129

A, B and C are employed to complete a work in Rs. 784. If A and B together complete 23/28 of the work. Calculate the wages (in Rs.) paid to C?

A. 280
B. 140
C. 70
D. 56

View Answer

Question 130

Adam and Smith are working on a project. Adam takes 6 hrs to type 36 pages on a computer, while Smith takes 5 hrs to type 40 pages. How much time will they take, working together on two different computers to type a project of 120 pages?

A. 8 hrs 45 min
B. 8 hrs 42 min
C. 8 hrs
D. 8 hrs 34 min

View Answer

Question 131

If 15 persons can do a job in 30 days, then 30 persons with twice the efficiency can do the same job in how many days?

A. 7
B. 3.5
C. 5
D. 7.5

View Answer

Question 132

In a computer game, there are builders and destroyers. Together there are 20 of them. Some of them try to build a wall around a castle while the rest try to demolish it. Each of the builders can build the wall alone in 15 hours while any of the destroyers can demolish it in 10 hours. If all 20 builders and destroyers are made active when there is no wall and the wall gets built in 3 hours, how many of them are destroyers?

A. 5
B. 7
C. 6
D. 8

View Answer

Question 133

A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days will A, B and C finish it, working all together?

A. 6 days
B. 5 1/4 days
C. 4 4/11 days
D. 4 days

View Answer

Question 134

P and Q were assigned to do a work for an amount of 1200. P alone can do it in 15 days while Q can do it in 12 days. With the help of R they finish the work in 6 days. Find the share of R ?

A. 120
B. 240
C. 360
D. 180

View Answer

Question 135

Smita can finish a work in 12 days and Sam can finish the same work in 9 days. After working together for 4 days they both leave the job. What is the fraction of unfinished work?

A. 2/9
B. 1/4
C. 1/2
D. 7/9

View Answer

Question 136

Ajit is two times as good a workman as Badrinath and therefore is able to finish a job in 30 days less than Badrinath. Working together, they can do it in

A. 10 days
B. 30 days
C. 15 days
D. 20 days

View Answer

Question 137

A can finish a work in 7 days . B can finish the same work in 9 days . The days required to finish the work by both of them together.

A. 31/16
B. 47/16
C. 63/16
D. 79/16

View Answer

Question 138

Both A and B together can complete a work in 20 days and B alone can complete the same work in 36 days. In how many days will A alone complete the work?

A. 30
B. 50
C. 45
D. 42

View Answer

Question 139

Anil is twice as good as workman as Bimal and together they finish a piece of work in 9 days. In how many days will Anil alone finish the work?

A. 12.5
B. 11.5
C. 10.5
D. 13.5

View Answer

Question 140

P and Q can do a work in 4 hours and 12 hours respectively. P starts the work at 9am and they work alternately for one hour each. When will the work be completed ?

A. 3 am
B. 12 pm
C. 1 pm
D. 3 pm

View Answer

Question 141

A and B together do a job in 12 days and A could do the job in 20 days if he worked alone. How many days would B take to do the job if he worked alone?

A. 30
B. 25
C. 24
D. 15

View Answer

Question 142

Ram and Shyam undertook a work for Rs 5600. Ram alone can do the work in 5 days and Shyam alone can do the work in 9 days. If they worktogether, then what will be the difference (in Rs.) in the amount they receive?

A. 1800
B. 2400
C. 1600
D. 2200

View Answer

Question 143

A can paint a house in 25 days and B can do it in 10 days. Along with C, they did the job in 6.25 days only. Then in how many days, C alone can do the job?

A. 50
B. 40
C. 30
D. 60

View Answer

Question 144

A,B,C together can do a piece of work in 10 days.All the three started workingat it together and after 4 days,A left.Then,B and C together completed the work in 10 more days.In how many days can complete a work alone ?

A. 25
B. 24
C. 23
D. 21

View Answer

Question 145

A can do a piece of work in 8 days and B can do it in 10 days seperately. How many days would it take for both A and B to finish the same work together?

A. 33/8
B. 40/9
C. 41/10
D. 42/11

View Answer

Question 146

If 7 spiders make 7 webs in 7 days , then 1 spider will make 1 web in how many days ?

A. 1
B. 7/2
C. 7
D. 49

View Answer

Question 147

16 men and 12 women can complete a work in 20 days. 18 women can complete the same work in 40 days. In how many days will 12 men 27 women complete the same work?

A. 16 days
B. 18 days
C. 19 days
D. 21 days

View Answer

Question 148

One girl can eat 112 chocolates in half a minute, and her boy friend can eat half as many in twice the length of time. How many chocolates can both boy and girl eat in 12 seconds ?

A. 44
B. 32
C. 56
D. 49

View Answer

Question 149

M can complete a piece of work in 10 days. N is 33.33% less efficient than M. calculate the number of days required to both to complete the work?

A. 6 days
B. 8 days
C. 11 days
D. 13 days

View Answer

Question 150

30 women do half of the total work in 30 days. How many more women will be required to complete the remaining work in 10 days?

A. 45
B. 30
C. 60
D. 80

View Answer

Question 151

A and B can complete a task together in 35 days. If A works alone and completes 5/7 of the task and then leaves the rest for B to complete by herself, it will take a total of 90 days to complete the task. How many days would it take A, the more efficient among the duo, to complete the entire work by herself?

A. 40
B. 45
C. 48
D. 42

View Answer

Question 152

Robin can do a work in 10 hours. Pradeep and Robin together can do the same work in 4 hours. Pradeep and Nitin together can do the samework in 5 hours. In how many hours Nitin alone can complete the same work?

A. 12
B. 15
C. 18
D. 20

View Answer

Question 153

A and B can complete a task in 40 days, B and C can complete it in 30 days while C aand A can complete the same task together in 24 days. How many days will each of A, B and C take to complete the task individually?

A. 48, 96 and 32
B. 32, 48 and 96
C. 60, 120 and 40
D. 40, 120 and 60

View Answer

Question 154

A can do a piece of work in 6 days working 8 hours a day while B can do the same work in 4 days working 10 hours a day. If the work has to be completed in 5 days, so how many hours do they need to work together in a day?

A. 59/11
B. 48/11
C. 70/11
D. 65/11

View Answer

Question 155

10 boys can complete a work in 7 days and 10 girls take 14 days to complete the work. How many days will 5 boys and 10 girls take to complete the work ?

A. 13 days
B. 10 days
C. 7 days
D. 16 days

View Answer

Question 156

P can complete a work in 12 days working 8 hours a day.Q can complete the same work in 8 days working 10 hours a day. If both p and Q work together,working 8 hours a day,in how many days can they complete the work?

A. 60/11
B. 61/11
C. 71/11
D. 72/11

View Answer

Question 157

Mother can bake 20 cakes in 4 hours, Mother and Dadima together can bake 60 cakes in 10 hours. How many cakes Dadima can bake in 30 hours?

A. 30
B. 75
C. 60
D. 25

View Answer

Question 158

A is 1.5 times efficient than B therefore takes 8 days less than B to complete a work. If A and B work on alternate days and A works on first day, then in how many days the work will be completed?

A. 17
B. 19
C. 19.5
D. 21

View Answer

Question 159

Mayank, Deepak and Pawan, each of them working alone can complete a work in 5, 10 and 15 days respectively. If all three of them work together to complete a work and earn Rs. 12000 what will be Deepak's share of the earnings?

A. Rs. 2000
B. Rs. 6000
C. Rs. 4000
D. Rs. 3000

View Answer

Question 160

Manish, Mukesh and Sachin are Accountants. Mukesh can filea return in 5 hours and Sachin in 4 hours alone. All three together can do it in 2 hours. In what time (in hrs) will Manish do the work?

A. 15
B. 20
C. 17
D. 10

View Answer

Question 161

A and B together do a job in 6.75 days and A could do the job in 9 days if he worked alone. How many days would B take to do the job if he worked alone?

A. 27
B. 18
C. 24
D. 21

View Answer

Question 162

Meghana alone would take 32 hours more to complete a job than both Meghana and Ganesh together. If Ganesh worked alone, he took 12 1/2 hours more to complete it than both Meghana and Ganesh worked together. What time would they take if both Meghana and Ganesh worked together?

A. 20 hrs
B. 18 hrs
C. 22 hrs
D. 20.5 hrs

View Answer

Question 163

X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?

A. 6 days
B. 10 days
C. 15 days
D. 20 days

View Answer

Question 164

A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?

A. 40
B. 50
C. 54
D. 60

View Answer

Question 165

A and B can together do a piece of work in 10 days. If A works with twice of his efficiency and B works with an efficiency 1/3rd less than his efficiency, then the work gets completed in 6 days. In how many days can A and B do the work alone respectively?

A. 40/3, 40
B. 20/3, 20
C. 30, 20/3
D. 50/3, 25

View Answer

Question 166

A, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:

A. 1/24 days
B. 7/24 days
C. 3(3/7) days
D. 4 days

View Answer

Question 167

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

A. 3
B. 5
C. 7
D. Can not say

View Answer

Question 168

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

A. 2/3
B. 1/3
C. 1/4
D. 1/5

View Answer

Question 169

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

A. 1/4
B. 1/10
C. 7/15
D. 8/15

View Answer

Question 170

P alone can complete a piece of work in 6 days. Work done by Q alone in one day is equal to one-third of the work done by P alone in one day. In how many days can the work be completed if P and Q work together  ?

A. 5 (2/3)
B. 6 (3/4 )
C. 4 (1/2)
D. 3

View Answer

Question 171

Four pipes P,Q, R and S can fill a cistern in 20,25, 40 and 50 hours respectively.The first pipe P was opened at 6:00 am, Q at 8:00 am, R at 9:00 am and S at 10:00 am. when will the Cistern be full?

A. 4:18 pm
B. 3:09 pm
C. 12:15 pm
D. 11:09 am

View Answer

Question 172

3 men, 4 women and 6 children can complete a work in 7 days. A woman does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 7 days  ?

A. 6
B. 9
C. 5
D. 7

View Answer

Question 173

A, B and C can do a job working alone in 50, 75 and 20 days respectively. They all work together for 4 days, then C quits. How many days will A and B take to finish the rest of the job?

A. 20
B. 30
C. 18
D. 24

View Answer

Question 174

In a fort there was sufficient food for 200 soldiers for 31 days. After 27 days, 120 soldiers left the fort. For how many extra days will the rest of the food last for the remaining soldiers?

A. 12 days
B. 10 days
C. 8 days
D. 6 days

View Answer

Question 175

A and B can together complete a task in 18 hours. After 6 hours A leaves. B takes 36 hours to finish rest of the task. How many hours would A have taken to do the task if he worked alone?

A. 54
B. 45
C. 21
D. 27

View Answer

Question 176

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

A. 2 hours
B. 6 hours
C. 16 hours
D. 3 hours

View Answer

Question 177

G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?

A. 25
B. 20
C. 22
D. 15

View Answer

Question 178

A work can be completed by 28 women in 36 days. If 4 women leave after working for 18 days, then how many days will be needed to complete the remaining work?

A. 24
B. 21
C. 27
D. 25

View Answer

Question 179

Arun and Amit can do a piece of work in 9 days and 12 days respectively. If they work for alternate days and Amit starts the work first, then in how many days 35/36 parts of whole work will be completed?

A. 10 days
B. 12 days
C. 5 days
D. 8 days

View Answer

Question 180

Rohan and Mohit together can build a wall in 8 days. Mohit and Vikas build the same wall in 10 days and Vikas and Rohan can build the same wall in 12days. In how many days can all the three complete the same wall while working together?

A. 240/37
B. 120/37
C. 150/37
D. 180/37

View Answer

Question 181

A garrison of 2000 men has provisions for 54 days. At the end of 15 days, a reinforcement arrives, and it is now found that the provisions will last only for 20 days more. What is the reinforcement ?

A. 1900
B. 2100
C. 1700
D. 2000

View Answer

Question 182

Parvesh is three times as efficient as Dinesh. Parvesh takes 20 days less than Dinesh to complete a book. If both of them work together, then in how many days the book will be completed?

A. 7.5
B. 8
C. 10
D. 6.5

View Answer

Question 183

A, B and C can do a job working alone in 6, 9 and 18 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to complete the remainder of the job?

A. 9
B. 6
C. 12
D. 10

View Answer

Question 184

A works twice as fast as B.If  B can complete a work in 18 days independently,the number of days  in which A and B can together finish the work is:

A. 4 days
B. 6 days
C. 8 days
D. 10 days

View Answer

Question 185

10 men and 15 women together can complete a work in 6 days. It takes 100 days for one man alone to complete the same work. How many days will be required for one woman alone to complete the same work?

A. 215 days
B. 225 days
C. 235 days
D. 240 days

View Answer

Question 186

A painter can paint a fence in 24 hours. After 6 hours he takes a break. What fraction of the fence is yet to be painted?

A. 0.6
B. 0.2
C. 0.75
D. 0.8

View Answer

Question 187

If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day ?

A. 101 men
B. 112 men
C. 102 men
D. 120 men

View Answer

Question 188

P and Q can do a project in 12 and 12 days respectively. In how many days can they complete 50% of the project if they work together?

A. 6 days
B. 3 days
C. 18 days
D. 1.5 days

View Answer

Question 189

A town having teenagers(boys & girls) of 5000 requires 150 litre of water per head. It has a tank measuring 20 m × 15 m × 5 m. The water of this tank will sufficient for ____ days.

A. 8
B. 6
C. 4
D. 2

View Answer

Question 190

A school has 8 periods of 45 minutes each, every day. How long will each period be if the school has to have 9 periods everyday, assuming the working hours to be the same?

A. 40 min
B. 35 min
C. 30 min
D. 45 min

View Answer

Question 191

Mahanath works 2 times as fast as Sahay. If Sahay can complete a job alone in 21 days, then in how many days can they together finish the job?

A. 7 days
B. 6 days
C. 5 days
D. 2 days

View Answer

Question 192

If A had worked alone he would have taken 63 hours to do the task. What is B's share, if A and B work together on a task finishing it in 36 hours and they get paid Rs 5,950 for it?

A. 3400
B. 3600
C. 2550
D. 2750

View Answer

Question 193

70000 a year is how much an hour?

A. 80
B. 8
C. 0.8
D. 0.08

View Answer

Question 194

A man starts moving from a place A and reaches the place B in 26 hours. He covers 1/3rd of the distance at the speed of 4 km/hr and covers the remaining distance at the speed of 5 km/hr. What is the distance (in km) between A and B?

A. 45
B. 80
C. 120
D. 90

View Answer

Question 195

(x-2) men can do a piece of work in x days and (x+7) men can do 75% of the same work in (x-10)days. Then in how many days can (x+10) men finish the work?

A. 27 days
B. 12 days
C. 25 days
D. 18 days

View Answer

Question 196

X alone can do a piece of work in 12 days and Y alone can do the same work in 6 days. In how many days will both together complete the same work?

A. 3
B. 4
C. 5
D. 2

View Answer

Question 197

Three athletes can complete one round around a circular field in 16, 24 and 36 min respectively. They start running together at same instant then after how much time they will meet to each other for first time ?

A. 2 hrs 24 min
B. 2 hrs 44 min
C. 1 hrs 24 min
D. 1 hrs 24 min

View Answer

Question 198

A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in _____.

A. 24 days
B. 22 days
C. 20 days
D. 18 days

View Answer

Question 199

45 men or 60 boys can do a piece of work in 20 days. How many days will 15 men and 20 boys take to complete the work?

A. 23
B. 45
C. 30
D. 25

View Answer

Question 200

P is 30% more efficient than Q. How much time will they, working together, take to complete a job which P alone could have done in 23 days?

A. 16 days
B. 13 days
C. 15 days
D. 12 days

View Answer

Question 201

K is 4 times as fast as L and working together, they can complete a work in 24 days. In how many days can L alone complete the work ?

A. 30 days
B. 40 days
C. 120 days
D. 80 days

View Answer

Question 202

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

A. 75
B. 90
C. 100
D. 80

View Answer

Question 203

A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in:

A. 5 days
B. 6 days
C. 10 days
D. 10.5 days

View Answer

Question 204

A and B can complete a task in 12 days. However, A had to leave a few days before the task was completed and hence it took 16 days in all to complete the task. If A alone could complete the work in 21 days, how many days before the work getting over did A leave?

A. 7
B. 5
C. 9
D. 3

View Answer

Question 205

A can do a piece of work in 30 days. He works at it for 6 days and then B finishes it in 18 days. In what time can A and B together it ?

A. 14 1/2 days
B. 11 days
C. 13 1/4 days
D. 12 6/7 days

View Answer

Question 206

A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?

A. 20
B. 25
C. 16
D. 15

View Answer

Question 207

Amit can complete a work in 25 days and Punit can complete the same work in 20 days. Punit alone worked at it for 10 days and then left the work. In how many days will Amit alone complete the remaining work?

A. 10.5
B. 11.5
C. 12.5
D. 13.5

View Answer

Question 208

4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

A. 35
B. 40
C. 45
D. 50

View Answer

Question 209

Time taken by P alone to finish a work is 50% more than the time taken by P and Q together. Q is thrice as efficient as R. If Q and R together can complete the work in 22.5 days, then how many days will P alone take to complete the work ?

A. 17 days
B. 11 days
C. 15 days
D. 16 days

View Answer

Question 210

2 men or 3 women can complete a job in 96 days. Then 6 men and 7 women will complete the same job in how many days?

A. 18
B. 27
C. 20
D. 24

View Answer

Question 211

12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?

A. 20
B. 18
C. 15
D. 25

View Answer

Question 212

X, Y and Z can do a piece of work in 30, 40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?

A. 660/47
B. 640/47
C. 680/47
D. 665/47

View Answer

Question 213

Arjun and Anurag complete a job in 6 days and 7 days respectively. They worked together and earned a total of Rs. 780. Find Arjun's share in this amount in Rs. ?

A. 490
B. 560
C. 350
D. 420

View Answer

Question 214

A can do a certain work in the same time in which B and C together can do it.If A and B together could do it in 20 days and C alone in 60 days ,then B alone could do it in:

A. 20days
B. 40 days
C. 50 days
D. 60 days

View Answer

Question 215

50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ?

A. 50 days
B. 48 days
C. 47.5 days
D. 49 days

View Answer

Question 216

12 men complete a work in 14 days. 5 days after they had started working, 3 men join them. How many more days will all of them take to complete the remaining work?

A. 5
B. 4
C. 3
D. 2

View Answer

Question 217

A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in  ?

A. 8 hrs
B. 12 hrs
C. 6 hrs
D. 4 hrs

View Answer

Question 218

A does 30% of a work in 30 days. He then calls in B and they together finish the remaining work in 20 days. How long B alone would take to do the whole work?

A. 40 days
B. 80 days
C. 120 days
D. 20 days

View Answer

Question 219

12 men complete a work in 9 days. After they have worked for 6 days, 4 more men join them. How many days will they take to complete the remaining work ?

A. 2 days
B. 2.5 days
C. 2.25 days
D. 3 days

View Answer

Question 220

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in

A. 16 days
B. 24 days
C. 28 days
D. 29 days

View Answer

Question 221

Two boys and a girl can do a work in 5 days, while a boy and 2 girls can do it in 6 days. If the boy is paid at the rate of 28$ a week, what should be the wages of the girl a week ?

A. 24 $
B. 22 $
C. 16 $
D. 14 $

View Answer

Question 222

Atul can do a piece of work in 18 days, Aaravya is 50% more efficient than Atul. How much more time does Atul take than Aaravya to do the same piece of work?

A. 12
B. 6
C. 18
D. 10

View Answer

Question 223

A does 75% of a work in 25 days. He then calls in B and they together finish the remaining work in 5 days. How long B alone would take to do the whole work?

A. 50 days
B. 80 days
C. 24 days
D. 37.5 days

View Answer

Question 224

How long will Machine Y, working alone, take to produce x candles? I. Machine X produces x candles in 5 minutes. II. Machine X and Machine Y working at the same time produce x candles in 2 minutes.

A. I alone sufficient while II alone not sufficient to answer
B. II alone sufficient while I alone not sufficient to answer
C. Both I and II are not sufficient to answer
D. Both I and II are necessary to answer

View Answer

Question 225

30 men working 5 hours a day can do a task in 16 days. In how many days will 40 men working 6 hours a day do the same task?

A. 12 days
B. 10 days
C. 15 days
D. 18 days

View Answer

Question 226

A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?

A. Rs. 375
B. Rs. 400
C. Rs. 600
D. Rs. 800

View Answer

Question 227

Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?

A. 12 hours
B. 10 hours
C. 3 hours
D. 9 hours

View Answer

Question 228

A mother can do a certain job in x hours. Her daughter takes twice as long to do the job. Working together, they can do the job in 6 hours. How many hours does the mother take to do the job ?

A. 3
B. 6
C. 9
D. 12

View Answer

Question 229

A, B and C can complete a piece of work in 24,6 and 12 days respectively.Working together, they will complete the same work in:

A. 1/24 days
B. 7/24 days
C. 24/7 days
D. 4 days

View Answer

Question 230

Two pipes A and B can fill a tank in 24 hours and 1717 hours respectively. Harihar opened the pipes A and B to fill an empty tank and some times later he closed the taps A and B , when the tank was supposed to be full. After that it was found that the tank was emptied in 2.5 hours because an outlet pipe "C" connected to the tank was open from the beginning. If Harihar closed the pipe C instead of closing pipes A and B the remaining tank would have been filled in :

A. 2 hours
B. 8 hours
C. 6 hours
D. 4 hours

View Answer

Question 231

A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6 AM and they work alternately for one hour each. When will the work be completed?

A. 4 days
B. 5 days
C. 6 days
D. 7 days

View Answer

Question 232

Azhar is 4 times as good a workman as Balaraj and therefore is able to finish a job in 45 days less than Balaraj. Working together, they can do it in:

A. 6 days
B. 18 days
C. 24 days
D. 12 days

View Answer

Question 233

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

A. 23 days
B. 37 days
C. 37.5 days
D. 40 days

View Answer

Question 234

A can do a work in 24 days. B is 20% more efficient than A. If C can do the work in 10 more days than B, find the time taken by A and C together to complete the work.

A. 43/3 days
B. 40/3 days
C. 50/3 days
D. 41/2 days

View Answer

Question 235

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

A. p+q2
B. 1p+1q
C. pqp+q
D. Pq

View Answer

Question 236

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

A. 8 days
B. 16 days
C. 30 days
D. 32 days

View Answer

Question 237

A can do as much work in 4 days as B can do in 5, and B can do as much work in 6 days as C in 7. In what time will C do a piece of work which A can do in a week ?

A. 10 5/24 days
B. 4 4/5 days
C. 6 8/15 days
D. 12 6/19 days

View Answer

Question 238

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 4 days. How long B alone would take to do the whole work?

A. 12.5 days
B. 100 days
C. 22.5 days
D. 35 days

View Answer

Question 239

9 women can complete a work in 50 days. If more 6 women were added to them, how many days before the work can be completed?

A. 30
B. 20
C. 15
D. 25

View Answer

Question 240

Three men, four women and six children can complete a work in 9 days. A women does  double the work a man does and a child does half the work a man does. How many women alone can complete this work in 9 days?

A. 7
B. 8
C. 9
D. 6

View Answer

Question 241

S, T and U can complete a work in 40, 48 and 60 days respectively. They received Rs 10800 to complete the work. They begin the work together but Tleft 2 days before the completion of the work and U left 5 days before the completion of the work. S has completed the remaining work alone. What is the share of S(in Rs) from total money?

A. 4320
B. 4500
C. 4860
D. 4960

View Answer

Question 242

A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in

A. 5 1/7 days
B. 5 2/7 days
C. 6 1/7 days
D. 6 2/7 days

View Answer

Question 243

A contractor undertake to finish a certain work in 124 days and employed 120 men. After 64 days, he found that he had already done 2/3 of the work. How many men can be discharged so that the work may finish in time ?

A. 64
B. 62
C. 58
D. 56

View Answer

Question 244

Twenty men can do a work in eighteen days. Eighteen women can complete the same work in fifteen days. What is the ratio between the capacity of a woman and a man ?

A. 4:5
B. 3:4
C. 4:3
D. 2:3

View Answer

Question 245

A group of workers was put on a job. From the second day onwards, one worker was withdrawn each day. The job was finished when the last worker was withdrawn. Had no worker been withdrawn at any stage, the group would have finished the job in 55% of the time. How many workers were there in the group?

A. 50
B. 40
C. 45
D. 10

View Answer

Question 246

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

A. 10:07:12 hrs
B. 10:07:24 hrs
C. 10:07:36 hrs
D. 10:07:48 hrs

View Answer

Question 247

A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money ?

A. Rs.200
B. Rs.240
C. Rs.250
D. Rs.300

View Answer

Question 248

Nirmit can do 2/3 of a job in 18 days. Kashish is twice as efficient as Nirmit. In how many days Kashish will complete the job?

A. 29/4
B. 27/2
C. 31/2
D. 13/2

View Answer

Question 249

At Arihant Prakasham every book goes hrough 3 phases (or stages) typing, composing and binding. There are 16 typists, 10 composers and 15 binders. A typist can type 8 books in each hour, a composer can compose 12 books in each hour and a binder can bind 12 books in each hour. All of the people at Arihant Prakasham works for 10 hours a day and each person is trained to do only the ob of 1 category.How many books can be prepared in each day?

A. 1500
B. 1200
C. 1440
D. 1380

View Answer

Question 250

48 people could complete a task in 17 days. After 6 days, 4 of the workers left. How many days from then will it take to complete the task?

A. 12
B. 13
C. 15
D. 16

View Answer

Question 251

A and B together finish a wor in 20 days.They worked together for 15 days and then B left. Afer another 10 days,A finished the remaining work. In how many days A alone  can finish the job?

A. 30
B. 40
C. 50
D. 60

View Answer

Question 252

If A, B and C together do a job in 4 days, A and C together do the job in 4.5 days and B and C together do the job in 12 days then in how many days can C alone do the job?

A. 36
B. 6
C. 18
D. 12

View Answer

Question 253

Parimal has done 1/4th of a job in 10 days, Salim completes the rest of the job in 20 days. In how many days can they together do the job?

A. 8 days
B. 24 days
C. 12 days
D. 16 days

View Answer

Question 254

Five men or ten women can complete a job in 20 days. In how many days can 3 men and 4 women complete it?

A. 10
B. 25
C. 15
D. 20

View Answer

Question 255

Working together A and B can do a job in 40 days, B and C in 36 days and all three together in 24 days. In how many days can B alone do the job?

A. 60
B. 90
C. 72
D. 120

View Answer

Question 256

Lasya alone can do a work in 16 days. Srimukhi’s efficiency is 20 % lesser than that of Laya. If Rashmi and Srimukhi together can do the same work in 12 days, then find the efficiency ratio of Rashmi to that of Lasya?

A. 19 : 7
B. 30 : 19
C. 8 : 15
D. 31 : 17

View Answer

Question 257

How many workers are required for completing the construction work in 10 days? I. 20% of the work can be completed by 8 workers in 8 days. II. 20 workers can complete the work in 16 days. III. One-eighth of the work can be completed by 8 workers in 5 days.

A. II and III only
B. I and III only
C. III only
D. Any one of the three

View Answer

Question 258

Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?

A. 12 days
B. 4 days
C. 8 days
D. 16 days

View Answer

Question 259

A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ?

A. Total work
B. One-fourth work
C. Half work
D. Two-third work

View Answer

Question 260

A, B and C can together do a job in 9 days. C alone can do the job in 36 days. In how many days can A and B do 50% of the job working together?

A. 6
B. 12
C. 9
D. 15

View Answer

Question 261

The ratio of efficiency of A is to C is 5:3. The ratio of number of days taken by B is to C is 2:3. A takes 6 days less than C, when A and C completes the work individually. B and C started the work and left after 2 days. The number of days taken by A to finish the remaining work is:

A. 4.5
B. 5
C. 6
D. 9 1/3

View Answer

Question 262

Prahlad has done 1/3rd of a job in 30 days, Sarfaraz completes the rest of the job in 90 days. In how many days can they together do the job?

A. 27 days
B. 18 days
C. 54 days
D. 36 days

View Answer

Question 263

A can do a work in 15 days and B in 20 days. If they work on it together for 6 days, then what fraction of work is left?

A. 1/4
B. 2/9
C. 1/5
D. 3/10

View Answer

Question 264

P and Q can do a project in 6 and 12 days respectively. In how many days can they complete 25% of the project if they work together?

A. 2 days
B. 4 days
C. 1 days
D. 8 days

View Answer

Question 265

X, Y and Z take 18 days to complete a piece of work. If X works alone he finishes the work in 36 days and if Y works alone he finishes it in 60 days. How long will it take Z to complete the work alone?

A. 78 days
B. 90 days
C. 96 days
D. 114 days

View Answer

Question 266

A, B and C can do job in 9, 12 and 36 days respectively if they worked alone. A leaves after they have worked together for 3 days. In how many days can B and C do the rest of the job?

A. 3
B. 4
C. 5
D. 6

View Answer

Question 267

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

A. 10
B. 12
C. 16
D. 18

View Answer

Question 268

A does half as much work as Band C does half as much work as A and B together. If C alone can finish the work in 40 days, then together ,all will finish the work in  ?

A. 17 + 4/7 days
B. 13 + 1/3 days
C. 15 + 3/2 days
D. 16 days

View Answer

Question 269

Working 5 hours a day, Shivam can read a book in 24 days. How many hours a day should he work so as to finish the same work in 8 days?

A. 12
B. 18
C. 15
D. 21

View Answer

Question 270

Raman can do a work in 5 days, Jatin can do the same work in 7 days and Sachin can do the same work in 9 days. If they do the same work together and they are paid Rs 2860, then what is the share (in Rs) of Raman?

A. 1260
B. 700
C. 900
D. 870

View Answer

Question 271

A can do 1/3rd of a job in 3 days and B can do half of the job in 9 days. If they work on it together, then in how many days can they finish half of the job?

A. 4
B. 5
C. 6
D. 3

View Answer

Question 272

After working for 8 days, Arun finds that only 13 rd of the work has been done. He employs Akhil who is 60% as efficient as Arun. How many days more would Akhil take to complete the work?

A. 24.5 days
B. 26.6 days
C. 25 days
D. 20 days

View Answer

Question 273

A labourer can do a job in 50 hours. After 5 hours he takes a break. What fraction of the job is yet to be done?

A. 0.8
B. 0.5
C. 0.75
D. 0.9

View Answer

Question 274

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

A. 30 days
B. 40 days
C. 60 days
D. 70 days

View Answer

Question 275

A can do a piece of work in 21 days and B in 28 days. Together they started the work and B left after 4 days. In how many days can A alone do the remaining work ?

A. 14 days
B. 18 days
C. 21 deays
D. 16 days

View Answer

Question 276

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

A. 40
B. 15
C. 20
D. 30

View Answer

Question 277

Surya works 3 times as fast as Ramya and is able to complete a work in 40 days less than the number of days taken by Ramya. Find the time in which they can complete the work together.

A. 20 days
B. 15 days
C. 25 days
D. 30 days

View Answer

Question 278

A and B can do a piece of work for Rs 1540. Find the difference between the wages of C and B for the same work If A can do the work in 12 days and B can do the same work in 8 days and with the help of C, A and B can do the same work in 2 days?

A. 980
B. 1232
C. 810
D. 1121

View Answer

Question 279

Sandy and Mandy do (8/13)th part of a work and the rest of the work was completed by Andy. If Sandy, Mandy and Andy take the same work for Rs. 2600, then what is the share (in Rs) of Andy?

A. 1600
B. 1400
C. 800
D. 1000

View Answer

Question 280

A does 75% of a work in 50 days. He then calls in B and they together finish the remaining work in 10 days. How long B alone would take to complete the whole work?

A. 200 days
B. 50 days
C. 100 days
D. 125 days

View Answer

Question 281

6 boys and 8 girls can do job in 10 days , 26 boys & 48 women do work in 2 days. Find time taken by 15 boys and 20 girls to do same work ?

A. 2 days
B. 3 days
C. 4 days
D. 5 days

View Answer

Question 282

A can finish a work in 15 days and B can do the same work in 12 days . B worked for 8 days and left the job .In how many days, A alone can finish the remaining work?

A. 6 days
B. 5 days
C. 4 days
D. 3 days

View Answer

Question 283

M is thrice as good as workman as N and together they finish a piece of work in 30 days. In how many days will M alone finish the work?

A. 50
B. 40
C. 60
D. 45

View Answer

Question 284

Atul and Binay together complete a piece of work in 5 days. If Binay alone can complete the same work in 8 days, how many days Atul take to complete the same work alone?

A. 40/3 days
B. 20/3 days
C. 9 days
D. 10 days

View Answer

Question 285

If a young son works quickly for 2 hours and prepares 16 items in a day, and his old father works slowly for 8 hours and prepares 24 items in a day, which of the following is true?

A. The son has more energy
B. Both have equal energy
C. The son has more power
D. Both have equal power

View Answer

Question 286

A, B and C can finish a job working alone in 20, 30 and 60 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to finish the remaining part of the job?

A. 60
B. 54
C. 6
D. 27

View Answer

Question 287

A carpenter can build a cupboard in 48 hours. After 12 hours he takes a break. What fraction of the cupboard is yet to be built?

A. 0.4
B. 0.5
C. 0.75
D. 0.25

View Answer

Question 288

Amal is 5 times as good a workman as Bhairav and therefore is able to finish a job in 48 days less than Bhairav. Working together, they can do it in

A. 20 days
B. 5 days
C. 25 days
D. 10 days

View Answer

Question 289

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

A. 18 days
B. 24 days
C. 9 days
D. 12 days

View Answer

Question 290

K, L and M can do a piece of work in 20, 30 and 60 days respectively. In how many days can K do the total work if he is assisted by L and M on every third day ?

A. 15 days
B. 13 days
C. 12 days
D. 10 days

View Answer

Question 291

S, T and U together can complete a work in 30 days. If the ratio of efficiency of S, T and U is 20 : 15 : 12 respectively, then in how many days U alone can complete the same work?

A. 195/2
B. 235/2
C. 225/2
D. 215/2

View Answer

Question 292

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?

A. 11 days
B. 13 days
C. 20(3/17) days
D. None of these

View Answer

Question 293

A can paint a house in 55 days and B can do it in 66 days. Along with C, they did the job in 12 days only. Then, C alone can do the job in how many days?

A. 24
B. 44
C. 33
D. 20

View Answer

Question 294

A shopkeeper has a job to print certain number of documents and there are three machines P, Q and R for this job. P can complete the job in 3 days, Q can complete the job in 4 days and R can complete the job in 6 days. How many days the shopkeeper will it take to complete the job if all the machines are used simultaneously ?

A. 4/3 days
B. 2 days
C. 3/2 days
D. 4 days

View Answer

Question 295

4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it ?

A. 40 days
B. 36 days
C. 32 days
D. 34 days

View Answer

Question 296

A, B and C can complete a task together in 10 days. A and B would need 12 days if only the two of them worked, while B and C would take 20 days if only the two of them worked. If B worked alone, how many days would she take to complete the task?

A. 30
B. 22
C. 45
D. 20

View Answer

Question 297

If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be:

A. 4 days
B. 5 days
C. 6 days
D. 7 days

View Answer

Question 298

Vikram and Vivek can finish a work in 50 days. They worked together for 20 days and then left. How much work has been done by them?

A. 3/5
B. 1/3
C. 1/2
D. 2/5

View Answer

Question 299

A can complete 9/10 part of a work in 31 days. After that, with the help of B he can complete the remaining work in 4 days. In how many days will  A and B together can complete that work ?

A. 36
B. 40
C. 42
D. 38

View Answer

Question 300

Ranjith can complete a task in 25 days while Anji can finish it in 20 days. They work together on the task for 5 days and then Ranjith leaves. In how many days will Anji finish the remaining work?

A. 15 days
B. 10 days
C. 11 days
D. 9 days

View Answer

Question 301

If A alone can do a job in 40 days then, in how many days can B alone do the job if together they can do the job in 8 days?

A. 15
B. 10
C. 20
D. 25

View Answer

Question 302

Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?

A. 6 days
B. 7 days
C. 5 days
D. 9 days

View Answer

Question 303

The labourers A, B, C were given a contract of Rs. 750 for doing a certain piece of work. All the three together can finish the work in 8 days. A and C together can do it in 12 day, while A and B together can do it in 13 1/3 days. The money will be divided in the ratio

A. 4:5:6
B. 4:7:5
C. 5:7:4
D. 5:6:8

View Answer

Question 304

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

A. 75 days
B. 37.5 days
C. 17.5 days
D. 35 days

View Answer

Question 305

S can finish 50% of a work in a day. T can do 25% of the work in a day. Both of them together will finish the work in ____ days.

A. 2.66
B. 2.33
C. 1.33
D. 1.67

View Answer

Question 306

Prabodh has done 1/2 of a job in 30 days, Sapan completes the rest of the job in 45 days. In how many days can they together do the job?

A. 18 days
B. 48 days
C. 27 days
D. 36 days

View Answer

Question 307

Two labourers A and B are paid a total of Rs. 750 per day. If A is paid 150 percent of what is paid to B, how much (in Rs) is B paid?

A. 450
B. 250
C. 300
D. 500

View Answer

Question 308

A contractor undertook to complete a piece of work in 120 Days and employed 140 men upon it. At the end of 66 days only half of the work was done,so he put on 25 extra men. By how much time did he exceed the specific time ?

A. 2 days
B. 3 days
C. 4 days
D. 5 days

View Answer

Question 309

A can complete a task alone in 8 days, while B takes 12 days to do it by herself. Together with C it takes them 4 days to complete the work. If C and D together can complete the task in 15 days, then how many days will D need to complete the task by herself?

A. 36
B. 32
C. 40
D. 30

View Answer

Question 310

Some carpenters promised to do a job in 15 days but 3 of them were absent and remaining did the job in 20 days. What was the original number of carpenters?

A. 10
B. 15
C. 12
D. 14

View Answer

Question 311

Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?

A. 9 hours
B. 6 hours
C. 12 hours
D. 18 hours

View Answer

Question 312

4 men can repair a road in 7 hours. How many men are required to repair the road in 2 hours ?

A. 17 men
B. 14 men
C. 13 men
D. 16 men

View Answer

Question 313

If 100 cat kill 100 .mice in 100 days, then 4 cats would kill 4 mice in how many days?

A. 4 days
B. 3 days
C. 40 days
D. 100 days

View Answer

Question 314

4 workers working 6 hours per day can finish painting a wall in 21 days. If 7 workers work for 4 hours per day, in how many days will they be able to finish the same work?

A. 32
B. 24
C. 18
D. 28

View Answer

Question 315

P and Q can do a project in 20 and 12 days respectively. In how many days can they complete 40% of the project if they work together?

A. 1.5 days
B. 3 days
C. 6 days
D. 9 days

View Answer

Question 316

A work which could be finished in 11 days was finished 4 days earlier after 4 more men joined. The number of men employed was ?

A. 7
B. 8
C. 9
D. 10

View Answer

Question 317

A can do a piece of work in 10 days, B in 15 days. They work together for 5 days, the rest of the work is finished by C in two more days. If they get Rs. 3000 as wages for the whole work, what are the daily wages of A, B and C respectively (in Rs):

A. 200, 250, 300
B. 300, 200, 250
C. 200, 300, 400
D. None of these

View Answer

Question 318

6 men can complete a piece of work in 12 days. 8 women can complete the same piece of work in 18 days whereas 18 children can complete the piece of work in 10 days. 4 men, 12 women and 20 children work together for 2 days. If only men were to complete the remaining work in 1 day how many men would be required totally?

A. 38
B. 72
C. 36
D. 76

View Answer

Question 319

6 carpenters make 96 windows in 16 days. If 8 carpenters work for 4 days how many windows will they make?

A. 16
B. 28
C. 36
D. 32

View Answer

Question 320

Priya can do a work in 16 days. In how many days will the work be completed by Sai, if the efficiency of Sai is 60% more than that of Priya ?

A. 8 days
B. 12 days
C. 14 days
D. 10 days

View Answer

Question 321

A can do a piece of work in 15 days and B can do it in 16 days and C can do it 24 days. They started the work together and A leaves after 3 days and B leaves after 4 days from the beginning. How long will work lost ?

A. 10 2/3 days
B. 13 1/5 days
C. 12 2/3 days
D. 11 5/7 days

View Answer

Question 322

A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?

A. 1/2
B. 1/3
C. 2/3
D. 3/4

View Answer

Question 323

Pradeep has done 1/4th of a job in 14 days, Saquib completes the rest of the job in 56 days. In how many days can they together complete the job?

A. 64 days
B. 32 days
C. 16 days
D. 8 days

View Answer

Question 324

An air conditioner can cool the hall in 40 miutes while another takes 45 minutes to cool under similar conditions. If both air conditioners are switched on at same instance then how long will it take to cool the room approximately ?

A. 18 minutes
B. 19 minutes
C. 22 minutes
D. 24 minutes

View Answer

Question 325

Vijay can do a work in 8 hours. Vijay and Puneet together can do the same work in 6 hours. Puneet and Sachin together can do the same work in 4 hours. Sachin alone can complete the same work in how many hours?

A. 22/5
B. 28/5
C. 24/5
D. 26/5

View Answer

Question 326

Akka can bake 100 cakes in 20 hours, Akka and Tai together can bake 75 cakes in 10 hours. How many cakes Tai can bake in 20 hours?

A. 25
B. 50
C. 30
D. 75

View Answer

Question 327

A can complete a piece of work in 12 days and B is 60% more efficient than A. In how many days B will complete the same work  ?

A. 8.7 hrs
B. 5.2 hrs
C. 5 hrs
D. 7.5 hrs

View Answer

Question 328

Mummy can bake 75 cakes in 15 hours, Mummy and Sister together can bake 120 cakes in 20 hours. How many cakes Sister can bake in 30 hours?

A. 45
B. 30
C. 60
D. 10

View Answer

Question 329

24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?

A. 28
B. 25
C. 32
D. 30

View Answer

Question 330

10 people can do a work in 30 days. How many days, can 15 people complete double the work?

A. 20
B. 25
C. 40
D. 45

View Answer

Question 331

A can do a certain job in 12 days. B is 60% more efficient than A. Then B can do the same piece of work in

A. 8 days
B. 7.5 days
C. 6.4 days
D. 5.5 days

View Answer

Question 332

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

A. 4 days
B. 6 days
C. 8 days
D. 12 days

View Answer

Question 333

A certain job was assigned to a group of women to do it in 20 days. But 12 women did not turn up for the job and the remaining did the job in 32 days. The original number of women in the group was?

A. 36
B. 32
C. 22
D. 28

View Answer

Question 334

10 women can do a piece of work in 6 days, 6 men can do same work in 5 days and 8 children can do it in 10 days. What is the ratio of the efficiency of a woman, a man and a child respectively?

A. 4 : 6 : 3
B. 4 : 5 : 3
C. 2 : 4 : 3
D. 4 : 8 : 3

View Answer

Question 335

Badki can bake 45 cakes in 9 hours, Badki and Chutki together can bake 80 cakes in 10 hours. How many cakes Chutki can bake in 40 hours?

A. 125
B. 10
C. 120
D. 20

View Answer

Question 336

Aadi can do a piece of work in 12 days alone, Bunny can do the same work in 16 days alone. After Aadi has been working for 5 days and Bunny for 7 days, Charan finishes it in 14 days. In how many days will Charan alone be able to do the work?

A. 96 days
B. 48 days
C. 24 days
D. 12 days

View Answer

Question 337

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?

A. 7
B. 8
C. 6
D. 5

View Answer

Question 338

If a soldier fires 7 shots from a gun in 12 minutes then find the total number of shots fired by the man in 3/2 hrs.

A. 45
B. 44
C. 46
D. 47

View Answer

Question 339

Mansukh can do a piece of work in 10 hours. If he is joined by Jayanti who is 50% more efficient, in what time will they together finish the work?

A. 2 hours
B. 6 hours
C. 4 hours
D. 3 hours

View Answer

Question 340

P can complete a work in 15 days and Q in 24 days. They began the work together, but Q left the work 2 days before its completion. In how manydays, was the work completed?

A. 12
B. 10
C. 9
D. 11

View Answer

Question 341

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

A. 5
B. 5.5
C. 6
D. 8

View Answer

Question 342

A and B undertake a piece of work for Rs. 250 . A alone can do that work in 5 days and B alone can do that work in 15 days . With the help of C, they finish the work in 3 days . If every one gets paid in proportion to work done by them, the amount C will get is

A. Rs.50
B. Rs.100
C. Rs.150
D. Rs.200

View Answer

Question 343

Akash is 3 times as good a workman as Baldev and therefore is able to finish a job in 40 days less than Baldev. Working together, they can finish it in _____.

A. 15 days
B. 60 days
C. 20 days
D. 10 days

View Answer

Question 344

P, Q, and R can do a job in 12 days together.  If their efficiency of working be in the ratio 3 : 8 : 5, Find in what time Q can complete the same work alone?

A. 36 days
B. 30 days
C. 24 days
D. 22 days

View Answer

Question 345

X, Y and Z can do a piece of work in 30,40 and 50 days respectively. All three of them began the work together but Y left 4 days before completion of the work. In how many days was the work completed?

A. 660/47
B. 640/47
C. 680/47
D. 665/47

View Answer

Question 346

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

A. 30 days
B. 40 days
C. 10 days
D. 20 days

View Answer

Question 347

In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?

A. 145
B. 165
C. 175
D. 135

View Answer

Question 348

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

A. 12 days
B. 15 days
C. 16 days
D. 18 days

View Answer

Question 349

50 men can complete a work in 28 days. They started the work together, but at the end of each 10th day, 10 men left the job. The work was completed in how many days?

A. 36
B. 38
C. 40
D. 45

View Answer

Question 350

B is thrice as efficient as A and C is 0.75 times as efficient as A. What is the ratio of number of days taken by A, B and C when they work individually?

A. 4:1:3
B. 3:1:4
C. 2:3:1
D. 5:1:2

View Answer

Question 351

Pannalal has done 1/3rd of a job in 20 days, Saiprasad completes the rest of the job in 10 days. In how many days can they together do the job?

A. 12 days
B. 6 days
C. 3 days
D. 24 days

View Answer

Question 352

A does 1/2 as much work as B and C does1/2as much work as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in

A. 30 days
B. 40/3 days
C. 15 days
D. 16 days

View Answer

Question 353

Ganesh, Ram and Sohan together can complete a work in 16 days. If Ganesh and Ram together can complete the same work in 24 days. The number of days Sohan alone takes, to finish the work is

A. 40
B. 48
C. 32
D. 30

View Answer

Question 354

Amit can do a piece of work in 45 days, but Bharath can do the same work in 5 days less, than Amit, when  working alone. Amit and Bharath both started the work together but Bharath  left after some days and Amit finished the remaining work in 56 days with half of his efficiency but he did the work with Bharath with his complete efficiency. For how many days they had worked together?

A. 6
B. 8
C. 9
D. 12

View Answer

Question 355

P and Q can do a project in 60 and 30 days respectively. In how many days can they complete 90% of the project if they work together?

A. 9 days
B. 27 days
C. 36 days
D. 18 days

View Answer

Question 356

Five women can do a work in 36 days. If the ratio between the capacity of a man and a woman is 3:1, then find how many days it will take 5 men to complete the same woek?

A. 12 days
B. 15 days
C. 18 days
D. 108 days

View Answer

Question 357

K can lay Highway road between two cities in 16 days. L can do the same job in 12 days. With the help of M, they completes the job in 4 days. How much days does it take for M alone to complete the work ?

A. 47/7 days
B. 59/6 days
C. 48/5 days
D. 57/5 days

View Answer

Question 358

Ehsaan is twice as good a worker as Kamal and together they finish a piece of work in 29 days. In how many days will Kamal, working alone, finish the work?

A. 58
B. 70
C. 87
D. 116

View Answer

Question 359

A, B and C can complete a work in 10, 12 and 15 days respectively. All three of them starts together but after 2 days A leaves the job and B left the job 3 days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

A. 5
B. 6
C. 7
D. 8

View Answer

Question 360

A mason can build a wall in 70 hours. After 7 hours he takes a break. What fraction of the wall is yet to be built?

A. 0.9
B. 0.8
C. 0.5
D. 0.75

View Answer

Question 361

A  field  can  be  reaped  by  12  men  or  18  women  in  14  days.  In  how  many  days  can  8  men  and  16 women reap it?

A. 26 days
B. 24 days
C. 9 days
D. 8 days

View Answer

Question 362

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

A. 8
B. 10
C. 12
D. 15

View Answer

Question 363

A canal of a village can be cleaned by 24 villagers in 12 days. The number of days in which 36 villagers can clean the canal is ?

A. 18
B. 8
C. 72
D. 16

View Answer

Question 364

A can do a work in 20 days and B in 50 days. If they work on it together for 5 days, then what fraction of work is left?

A. 13/20
B. 1/3
C. 1/6
D. 2/9

View Answer

Question 365

5 men and 3 boys can together cultivate a 23 acre field in 4 days and 3 men and 2 boys together can cultivate a 7 acre field in 2 days. How many boys will be needed together with 7 men, if they cultivate 45 acre of field in 6 days.

A. 6
B. 4
C. 2
D. 3

View Answer

Question 366

B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?

A. 30
B. 15
C. 20
D. 10

View Answer

Question 367

A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many days was the work completed?

A. 11 days
B. 12 days
C. 13 days
D. 14 days

View Answer

Question 368

Rakshanth is twice as good as tradesman as Verma and together they finish a piece of work in 19 days. In how many dayswill Verma alone finish the work?

A. 38
B. 57
C. 76
D. 50

View Answer

Question 369

A can do a work in 12 days and B in 24 days. If they work on it together for 4 days, then what fraction of work is left?

A. 1/3
B. 1/2
C. 1/4
D. 1/5

View Answer

Question 370

If Mr. Raghav taught a total of 500 hours, then what is the difference in number of hours of teaching algebra and modern Maths?

A. 15
B. 20
C. 25
D. 40

View Answer

Question 371

Raghu can do a job in 12 days alone and Sam can do the same job in 15 days alone. A third person Aru whose efficiency is two-third of efficiency of both Ram and Shyam together, can do the same job in how many days alone?

A. 10
B. 12
C. 13
D. 15

View Answer

Question 372

One tap can fill a water tank in 50 mins and another tap can make the filled tank empty in 75 mins. If both the taps are open together, already half filled tank would be full in

A. 60 min
B. 75 min
C. 125 min
D. 150 min

View Answer

Question 373

A constructor estimates that 4 people can paint Mr. Karthik's house in 6 days. If he uses 5 people instead of 4, how long will they take to complete the job ?

A. 3 days
B. 26/3 days
C. 13/4 days
D. 24/5 days

View Answer

Question 374

A and B can do a job together in 7 days. A is 1(3/4) times as efficient as B. The same job can be done by A alone in :

A. 9(1/3) days
B. 11 days
C. 12.25 days
D. 16.33 days

View Answer

Question 375

A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :

A. 8 days
B. 10 days
C. 12 days
D. 15 days

View Answer

Question 376

P and Q can complete a job in 24 days working together. P alone can complete it in 32 days. Both of them worked together for 8 days and then P left. The number of days Q will take to complete the remaining work is ?

A. 56 days
B. 54 days
C. 60 days
D. 64 days

View Answer

Question 377

A takes 24 day in completing a work alone. Time taken by A in completing 1/3rd of the work is equal to the time taken by B in completing half of the work. How many days will be taken in completing the work if both A & B start working together?

A. 21/3 days
B. 48 days
C. 40 days
D. 48/5 days

View Answer

Question 378

A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent ?

A. 10 days
B. 14 days
C. 11 days
D. 9 days

View Answer

Question 379

Mugdha and Mayuri, working together can complete a job in 18 days. However, Mayuri works alone and leaves after completing two-fifths of the job and then Mugdha takes over and completes the remaining work by herself. As a result, the duo could complete the job in 39 days. How many days would Mugdha alone have taken to do the job if Mayuri worked faster than Mugdha?

A. 45
B. 72
C. 30
D. 24

View Answer

Question 380

Mr. stenley employed a certain number of typist for his project. 8 days later 20% of the typist left the job and it was found that it took as much time to complete the rest work from then as the entire work needed with all the employed typists. The average speed of a typist is 20 pages/hour. Minimum how many typist could be employed?

A. 10
B. 5
C. 15
D. 4

View Answer

Question 381

A, B and C can finish a job working alone in 12, 8 and 24 days respectively. In how many days they can finish the job if they worked together?

A. 5
B. 6
C. 4
D. 3

View Answer

Question 382

A works twice as fast as B. If B can complete a work in 12 days independently, the number of days in which A and B can together finish the work in :

A. 4 days
B. 6 days
C. 8 days
D. 18 days

View Answer

Question 383

A can do a piece of work in 10 days and B in 12 days. With help of C, they finish the work in 4 days. In how many days C alone can do the same work?

A. 12
B. 15
C. 18
D. 24

View Answer

Question 384

Sharan and Mayukh, working together, can complete a task in 18 days. However, Mayukh works alone and leaves after completing 1/3 of the task. Then, Sharan takes over and completees the remaining work by himself. As a result, the duo could complete the task in 40 days. How many days would Sharan alone have taken to do the job if Mayuk' had worked faster than Sharan ?

A. 24
B. 45
C. 72
D. 30

View Answer

Question 385

P can do (1/4)th of work in 10 days, Q can do 40% of work in 40 days and R can do (1/3)rd of work in 13 days. Who will complete the work first?

A. P
B. Q
C. R
D. Both P and R

View Answer

Question 386

9 girls working 7 hours a day can complete a piece of work in 15 day. In how many days can 6 girls working for 9 hours a day, complete the same piece of work?

A. 35/4 days
B. 17.5 days
C. 19 3/4 days
D. 37/3 days

View Answer

Question 387

If A, B and C can do a job working alone in 12, 18 and 36 days respectively. They all work together for 2 day, then B quits. How many days will A and C take to finish rest of the job?

A. 9
B. 6
C. 3
D. 4

View Answer

Question 388

A and B can do a piece of work in 24 and 30 daysrespectively. Both started the work and worked for 6 days.Then B leaves the work and C joins and the remaining workis completed by A and C together in 11 days. Find the days in which C alone can do the work

A. 80
B. 100
C. 120
D. 130

View Answer

Question 389

5 boys and 3 girls can together cultivate a 23 acre field in 4 days and 3 boys and 2 girls together can cultivate a 7 acre field in 2 days. How many girls will be needed together with 7 boys, if they cultivate 45 acres of field in 6 days?

A. 4
B. 3
C. 2
D. 1

View Answer

Question 390

If 10 men take 15 days to complete a work. In how many days will 37 men complete the work?

A. 3 days
B. 4 days
C. 5 days
D. 6 days

View Answer

Question 391

If two flood gates A and B function simultaneously, the reservoir will be filled iu 6 hours. Gate A fills the reservoir 5 hours faster than gate B. How many hours does the faster flood gate take to fill the reservoir?

A. 7 hrs
B. 13 hrs
C. 5 hrs
D. 10 hrs

View Answer

Question 392

The ratio of efficiencies of P, Q and R is 2 : 3 : 4. While P and R work on alternate days and Q work for all days. Now the work completed in total 10 days and the total amount they get is Rs. 1200. Find the amount of each person(respectively).

A. 200, 600, 400
B. 400, 600, 200
C. 600, 200, 400
D. 400, 200, 600

View Answer

Question 393

Abhinav is 2 times as good a workman as Balwant and therefore is able to finish a job in 36 days less than Balwant. Working together, they can do it in

A. 12 days
B. 6 days
C. 18 days
D. 24 days

View Answer

Question 394

A,B and C together can finish a task in 7.5 days. C is thrice as productive as A and B alone can do the task in 15 days. In how many days can A and C do the job if B goes on leave?

A. 30
B. 10
C. 20
D. 15

View Answer

Question 395

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

A. 20 days
B. 21 days
C. 22 days
D. 24 days

View Answer

Question 396

A & B together finish a job in 24 days, while A, B & C together can finish the same job in 8 days. C alone will finish the job in

A. 12 days
B. 14 days
C. 16 days
D. 24 days

View Answer

Question 397

A is twice efficient as B and together they do the same work in as much time as C and D together. If C and D can complete the work in 20 and 30 daysrespectively, working alone ,then in how many days A can complete the work individually:

A. 12 days
B. 18 days
C. 24 days
D. 30 days

View Answer

Question 398

A and B can complete a task in 1.5 days. However, A had to leave a few days before the task wascompleted and hence it took 2 days in all to complete the task. If A alone could complete the work in2.625 days, how many days before the work getting over did A leave?

A. 1.125
B. 0.625
C. 0.375
D. 0.875

View Answer

Question 399

A does 50% of a work in 12 days. He then calls in B and they together finish the remaining work in 8 days. How long B alone would take to complete the whole work?

A. 12 days
B. 24 days
C. 36 days
D. 48 days

View Answer

Question 400

4 men can build a small house in 12 days. How long would it take for 6 men to build the same house?

A. 9 days
B. 8 days
C. 8.1 days
D. 8.2 days

View Answer

Question 401

A woman fills a bucket in 6 minutes. 1845 buckets have to be filled from 8 am. to 9:30 am. How many woman employees should be employed for this task?

A. 111
B. 117
C. 123
D. 139

View Answer

Question 402

12 men can complete a work in 8 days. 16 women can complete the same work in 12 days. 8 men and 8 women started working  and worked for 6 days. How many more men are to be added to complete the remaining work in 1 day?

A. 8
B. 12
C. 16
D. 24

View Answer

Question 403

A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :

A. 4 days
B. 6 days
C. 8 days
D. 12 days

View Answer

Question 404

P can do a work in 10 days. Q can do the same work in 15 days. If they work together for 5 days, how much of the work will they complete?

A. 1/2
B. 2/3
C. 1/3
D. 5/6

View Answer

Question 405

A, B and C together can complete a work in 25 days. If the ratio of efficiency of A, B and C is 15 : 10 : 6 respectively, then in how many days C alone can complete the same work?

A. 727/6
B. 725/6
C. 775/6
D. 745/6

View Answer

Question 406

45 men working 9 hours per day dig 40 m deep. How many extra men should be put to dig to a depth of 56 m working 7 hours per day ?

A. 36
B. 61
C. 48
D. 54

View Answer

Question 407

Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?

A. 7 hours 30 minutes
B. 8 hours
C. 8 hours 15 minutes
D. 8 hours 25 minutes

View Answer

Question 408

Working together P, Q and R reap a field in 6 days. If P can do it alone in 10 days and Q in 24 days, in how many days will R alone be able to reap the field?

A. 32 days
B. 40 days
C. 45 days
D. 60 days

View Answer

Question 409

Ram and Hari can cut 12 kgs nuts in 2 days. After 5 days, Hari left the work. Ram took 8 more days to cut the rest of the nuts. If total of 58 kgs of nuts were cut, the time taken by Hari to cut 10 kg of nuts is

A. 1 day
B. 2 days
C. 3 days
D. 4 days

View Answer

Question 410

A can do 1/3rd of a work in 5 days and B can do 2/5th of this work in 10 days. Both A and B, together can do the work in

A. 7 3/8 days
B. 8 4/5 days
C. 9 3/8 days
D. 10 days

View Answer

Question 411

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

A. 3/5
B. 1/3
C. 1/2
D. 2/5

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Question 412

In a public bathroom there are n taps 1,2,3...n. Tap1 and Tap2 take equal time to fill the tank while Tap3 takes half the time taken by Tap2 and Tap4 takes half the time taken by Tap3. Similarly each next number of tap takes half the time taken by previous number of Tap i.e, K-th Tap takes half the time taken by (K-1)th Tap. If the 10th tap takes 2 hours to fill the tank alone then what is the ratio of  efficiency of 8th tap and 12th tap, respectively?

A. 4:1
B. 5:3
C. 16:1
D. 1:16

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Question 413

A new topic named Problem Solving was also introduced and it was decided that 10% time of all topics except Arithmetic will be devoted to it. What will be the central angle (in degrees) made by Problem Solving in the new pie chart?

A. 17.28
B. 18
C. 19.44
D. 36

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Question 414

12 men complete a work in 9 days. After they have worked for 6 days, 6 more men join them. How many days will they take to complete the remaining work?

A. 2
B. 3
C. 4
D. 5

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Question 415

P and Q can do a project in 150 and 100 days respectively. In how many days can they complete 60% of the project if they work together?

A. 12 days
B. 72 days
C. 42 days
D. 36 days

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Question 416

Sister can bake 50 cakes in 25 hours, Sister and Mummy together can bake 75 cakes in 15 hours. How many cakes Mummy can bake in 15 hours?

A. 25
B. 45
C. 20
D. 10

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Question 417

10 people can build a wall in 12 days. Six people, each only half as efficient as those in the first group, will be able to complete 3/5 of such a wall in

A. 24 days
B. 20 days
C. 18 days
D. 25 days

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Question 418

Karteek is twice as good a foreman as Raju and together they finish a piece of work in 20 days. In how many days will Raju alone finish the work?

A. 40
B. 60
C. 80
D. 50

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Question 419

A can do a work in 9 days, B can do a work in 7 days, C can do a work in 5 days. A works on the first day, B works on the second day and C on the third day respectively that is they work on alternate days. When will they finish the work ?

A. [7 + (215/345)] days
B. [6 + (11/215)] days
C. [6 + (261/315)] days
D. [5 + (112/351)] days

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Question 420

Painter A can paint a house in 40 days and Painter B can do it in 60 days. With help of C, they did the job in 20 days only. Then, C alone can do the job in

A. 120 days
B. 100 days
C. 90 days
D. 80 days

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Question 421

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

A. 2:3
B. 4:9
C. 3:2
D. 9:4

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Question 422

A alone can do a work in 20 days. B is 125% more efficient than A. A and B started working and worked for 4 days. If C alone completed the remaining job in 22 days. How many days C alone takes to complete the entire job?

A. 30
B. 35
C. 40
D. 42

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Question 423

Kaushalya can do a work in 20 days, while kaikeyi can do the same work in 25 days. They started the work jointly.Few days later Sumitra also joined them and thus all of them completed the whole work in 10 days. All of them were paid total Rs.700. What is the Share of Sumitra?

A. Rs.130
B. Rs.185
C. Rs.70
D. can't be determined

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Question 424

A and B have to type a book together containing 120 pages. A takes 9 hrs to type 36 pages and B takes 5 hrs to type 40 pages. A typed first 60 pages alone and the last 60 pages were typed by A and B together. How much time (in hours) will be taken to type the complete book?

A. 24
B. 20
C. 12
D. 15

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Question 425

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working 9 hours a day plough the same field ?

A. 9
B. 10
C. 6
D. 8

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Question 426

Ten women can do a work in six days. Six men can complete the same work in five days. What is the ratio between the capacity of a man and a woman?

A. 1:2
B. 2:1
C. 2:3
D. 3:2

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Question 427

Chutki can bake 30 cakes in 15 hours. Chutki and Badki together can bake 90 cakes in 30 hours. How many cakes Badki can bake in 10 hours?

A. 75
B. 20
C. 10
D. 60

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Question 428

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days  ?

A. 9 days
B. 11 days
C. 13 days
D. 15 days

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