Find the missing number?

A. 6

B. 9

C. 1

D. 4

Answer: Option B

Solution(By Examveda Team)

Logic:
Central Element = sum of the lower element - top element.

9 + 7 - 4 = 12
4 + 1 - 1 = 4
So,
x = 6 + 5 - 2 = 9.
Missing number = 9.