Q. Insert the missing number : 11, 13, 17, 19, 23, 29, 31, 37, 41, (....)

A. 43
B. 47
C. 53
D. 51

Dapzoi

Commented on 2022-01-29

Answer: Option A

Explanation:

Numbers are all primes. The next prime is 43.

Insert the missing number : 16, 33, 65, 131, 261, (....)

Insert the missing number : 2, 4, 12, 48, 240, (....)

Find the odd man out. : 10, 25, 45, 54, 60, 75, 80

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

Find out the wrong number in the series : 7, 8, 18, 57, 228, 1165, 6996