Find the missing number?

A. 7

B. 11

C. 2

D. 17

Answer: Option C

Solution(By Examveda Team)

In each diagram, the central value equals the sum of the left and right hand numbers, minus the sum of the upper and lower numbers. So,

(9 + 13) - (4 + x) = 16
22 - 4 -x = 16
x = 18 - 16
x = 2.