Number Series MCQ Questions & Answers

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

Question 1

Choose which pair of numbers comes next : 21 25 18 29 33 18

A. 43 18

B. 41 44

C. 37 18

D. 37 41

Question 2

Choose which pair of numbers comes next : 75 65 85 55 45 85 35

A. 25 15

B. 25 85

C. 35 25

D. 85 35

Question 3

Choose which pair of numbers comes next : 2 3 4 5 6 4 8

A. 9 10

B. 4 8

C. 10 4

D. 9 4

Question 4

Look at this series: U32, V29, __, X23, Y20, ... What number should fill the blank?

A. W26

B. W17

C. Z17

D. Z26

Question 5

Choose which pair of numbers comes next: 10 34 12 31 14 28 16

A. 25 18

B. 30 13

C. 19 26

D. 18 20

Question 6

Choose which pair of numbers comes next: 8 12 9 13 10 14 11

A. 14 11

B. 15 12

C. 8 15

D. 15 19

Question 7

Look at this series: 8, 43, 11, 41, __, 39, 17, ... What number should fill in the blank?

A. 8

B. 14

C. 43

D. 44

Question 8

Choose which pair of numbers comes next : 11 16 21 26 31 36 41

A. 47 52

B. 46 52

C. 45 49

D. 46 51

Question 9

Look at this series: 201, 202, 204, 207, ... What number should come next?

A. 205

B. 208

C. 210

D. 211

Question 10

Choose which pair of numbers comes next: 34 30 26 22 18 14 10

A. 8 6

B. 6 4

C. 14 18

D. 6 2

Question 11

Choose which pair of numbers comes next : 8 11 21 15 18 21 22

A. 25 18

B. 25 21

C. 25 29

D. 24 21

Question 12

Choose which pair of numbers comes next : 9 16 23 30 37 44 51

A. 59 66

B. 56 62

C. 58 66

D. 58 65

Question 13

Look at this series: 15, __, 27, 27, 39, 39, ... What number should fill the blank?

A. 51

B. 39

C. 23

D. 15

Question 14

choose which pair of numbers comes next : 28 25 5 21 18 5 14

A. 11 5

B. 10 7

C. 11 8

D. 5 10

Question 15

Choose which pair of numbers comes next: 42 40 38 35 33 31 28

A. 25 22

B. 26 23

C. 26 24

D. 25 23

Question 16

Choose which pair of numbers comes next: 14 14 26 26 38 38 50

A. 60 72

B. 50 62

C. 50 72

D. 62 62

Question 17

Look at this series: 1.5, 2.3, 3.1, 3.9, ... What number should come next?

A. 4.2

B. 4.4

C. 4.7

D. 5.1

Question 18

Look at this series: 58, 52, 46, 40, 34, ... What number should come next?

A. 26

B. 28

C. 30

D. 32

Question 19

Look at this series: 8, 6, 9, 23, 87 , ... What number should come next?

A. 128

B. 226

C. 324

D. 429

Question 20

Choose which pair of numbers comes next: 36 31 29 24 22 17 15

A. 10 5

B. 13 8

C. 12 7

D. 10 8

Question 21

Choose which pair of numbers comes next : 84 78 72 66 60 54 48

A. 44 34

B. 42 36

C. 42 32

D. 40 34

Question 22

Choose which pair of numbers comes next: 3 5 35 10 12 35 17

A. 22 35

B. 35 19

C. 19 35

D. 19 24

Question 23

Look at this series: 0.15, 0.3, ____, 1.2, 2.4, ... What number should fill the blank?

A. 4.8

B. 0.006

C. 0.6

D. 0.9

Question 24

Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

A. (1/3)

B. (1/8)

C. (2/8)

D. (1/16)

Question 25

Choose which pair of numbers comes next : 6 20 8 14 10 8 12

A. 14 10

B. 2 18

C. 4 12

D. 2 14

Question 26

Choose which pair of numbers comes next : 4 8 22 12 16 22 20 24

A. 28 32

B. 28 22

C. 22 28

D. 32 36

Question 27

Choose which pair of numbers comes next: 6 10 14 18 22 26 30

A. 33 37

B. 38 42

C. 34 36

D. 34 38

Question 28

Look at this series: J14, L16, __, P20, R22, ... What number should fill the blank?

A. S24

B. N18

C. M18

D. T24

Question 29

Choose which pair of numbers comes next: 44 41 38 35 32 29 26

A. 22 19

B. 23 19

C. 29 32

D. 23 20

Question 30

Look at this series: 72, 76, 73, 77, 74, __, 75, ... What number should fill the blank?

A. 70

B. 71

C. 75

D. 78

Question 31

Choose which pair of numbers comes next : 2 8 14 20 26 32 38

A. 2 46

B. 44 50

C. 42 48

D. 40 42

Question 32

Find the odd man out - 6, 9, 15, 21, 24, 28, 30

A. 28

B. 21

C. 24

D. 30

Question 33

Look at this series: 31, 29, 24, 22, 17, ... What number should come next?

A. 15

B. 14

C. 13

D. 12

Question 34

Choose which pair of numbers comes next : 9 11 33 13 15 33 17

A. 19 33

B. 33 35

C. 33 19

D. 15 33

Question 35

Look at this series: XXIV, XX, __, XII, VIII, ... What number should fill the blank?

A. XXII

B. XIII

C. XVI

D. IV

Question 36

Look at this series: 2, 6, 18, 54, ... What number should come next?

A. 108

B. 148

C. 162

D. 216

Question 37

Look at this series: 83, 73, 93, 63, __, 93, 43, ... What number should fill the blank?

A. 33

B. 53

C. 73

D. 93

Question 38

Choose which pair of numbers comes next: 17 32 19 29 21 26 23

A. 25 25

B. 20 22

C. 23 25

D. 25 22

Question 39

Choose which pair of numbers comes next: 17 14 14 11 11 8 8

A. 8 5

B. 5 2

C. 8 2

D. 5 5

Question 40

Choose which pair of numbers comes next : 3 8 13 18 23 28 33

A. 39 44

B. 38 44

C. 38 43

D. 37 42

Question 41

Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next?

A. 14

B. 15

C. 21

D. 23

Question 42

Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?

A. 22

B. 24

C. 25

D. 26

Question 43

Look at this series: 80, 10, 70, 15, 60, ... What number should come next?

A. 20

B. 25

C. 30

D. 50

Question 44

Choose which pair of numbers comes next : 10 20 25 35 40 50 55

A. 60 70

B. 60 75

C. 60 65

D. 65 70

Question 45

Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

A. 7

B. 10

C. 12

D. 13

Question 46

Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank?

A. A16

B. G4

C. E4

D. E3

Question 47

Choose which pair of numbers comes next: 3 8 10 15 17 22 24

A. 26 28

B. 29 34

C. 29 31

D. 26 31

Question 48

Choose which pair of numbers comes next: 32 31 32 29 32 27 32

A. 25 32

B. 31 32

C. 29 32

D. 25 30

Question 49

Choose which pair of numbers comes next: 13 29 15 26 17 23 19

A. 21 23

B. 20 21

C. 20 17

D. 25 27

Question 50

Look at this series: 8, 22, 8, 28, 8, ... What number should come next?

A. 9

B. 29

C. 32

D. 34

Question 51

Look at this series: 36, 34, 30, 28, 24, ... What number should come next?

A. 20

B. 24

C. 25

D. 26

Question 52

Choose which pair of numbers comes next: 2 44 4 41 6 38 8

A. 10 12

B. 35 32

C. 34 9

D. 35 10

Question 53

Choose which pair of numbers comes next: 7 9 66 12 14 66 17

A. 19 66

B. 66 19

C. 19 22

D. 20 66

Question 54

Look at this series: 664, 332, 340, 170, ____, 89, ... What number should fill the blank?

A. 85

B. 97

C. 109

D. 178

Question 55

Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank?

A. 13

B. 15

C. 20

D. 28

Question 56

Choose which pair of numbers comes next: 32 29 26 23 20 17 14

A. 11 8

B. 12 8

C. 11 7

D. 32 29

Question 57

Choose which pair of numbers comes next : 61 57 50 61 43 36 61

A. 27 20

B. 31 61

C. 22 15

D. 29 22

Question 58

Choose which pair of numbers comes next: 11 14 14 17 17 20 20

A. 23 23

B. 23 26

C. 21 24

D. 24 24

Question 59

Look at this series: 5.2, 4.8, 4.4, 4, ... What number should come next?

A. 3

B. 3.3

C. 3.5

D. 3.6

Question 60

Look at this series: (1/9), (1/3), 1, ____ , 9, ... What number should fill the blank?

A. (2/3)

B. 3

C. 6

D. 27

Question 61

Look at this series: 544, 509, 474, 439, ... What number should come next?

A. 404

B. 411

C. 420

D. 445

Question 62

Look at this series: V, VIII, XI, XIV, __, XX, ... What number should fill the blank?

A. IX

B. XXIII

C. XV

D. XVII

Question 63

Look at this series: VI, 10, V, 11, __, 12, III, ... What number should fill the blank?

A. II

B. IV

C. IX

D. 14

Question 64

Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?

A. 12

B. 14

C. 27

D. 53

Question 65

Look at this series: 2, 4, 6, 8, 10, ... What number should come next?

A. 11

B. 12

C. 13

D. 14

Question 66

Choose which pair of numbers comes next : 17 17 34 20 20 31 23

A. 34 20

B. 23 33

C. 27 28

D. 23 28

Question 67

Choose which pair of numbers comes next: 4 7 26 10 13 20 16

A. 14 17

B. 18 14

C. 19 13

D. 19 14

Question 68

Look at this series: 70, 71, 76, __, 81, 86, 70, 91, ... What number should fill the blank?

A. 70

B. 71

C. 80

D. 96

Question 69

Choose which pair of numbers comes next : 1 10 7 20 13 30 19

A. 26 40

B. 29 36

C. 40 25

D. 25 31

Question 70

Choose which pair of numbers comes next : 9 12 11 14 13 16 15

A. 18 21

B. 14 17

C. 12 13

D. 18 17

Question 71

Choose which pair of numbers comes next : 20 20 17 17 14 14 11

A. 11 11

B. 11 14

C. 8 9

D. 11 8

Question 72

Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next?

A. 7

B. 10

C. 14

D. 15

Question 73

Choose which pair of numbers comes next: 16 26 56 36 46 68 56

A. 80 66

B. 64 82

C. 66 80

D. 78 68

Question 74

Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next?

A. 52

B. 56

C. 96

D. 128

Question 75

Choose which pair of numbers comes next : 40 40 31 31 22 22 13

A. 13 4

B. 13 5

C. 4 13

D. 9 4