Find the missing number?

A. 5

B. 3

C. 7

D. 9

Answer: Option B

Solution(By Examveda Team)

Split each grid into 2 halves, vertically, leaving 2 columns, each 2 squares wide. Start with the top left pair and move down, then to the top right pair, and down again. Reading each pair of digits as 2 digit values, the 2 digit values increase by 11, 12, 13, 14 and 15.