Find the missing number?

A. 3

B. 4

C. 5

D. 6

Answer: Option B

Solution(By Examveda Team)

From top to bottom, reading each pair of numbers as a 2 digit value, the numbers follow the sequence of square numbers, from 16 to 49, each written back to front (Right to Left).

16,
25,
36,
49.
So, Missing Element = 4.