Find the missing number?

A. 2

B. 5

C. 1

D. 6

Answer: Option C

Solution(By Examveda Team)

Split the diagram into 3 columns, each 2 spaces wide, and read each double space as a 2 digit number. Starting at the top of each column, add the 2 separate digits together, then add this to the whole 2 digit number, to give the result, written in the spaces underneath.