Find the missing number?

A. 11

B. 7

C. 14

D. 9

Answer: Option D

Solution(By Examveda Team)

Logic (Clock-wise):
Sum of the outer element of the triangle = Central digit of next triangle.
So,
Sum of the outer digit of the Second triangle = Central digit of the third triangle.

x = 8 + 1 + 0
x = 9.
So, Missing Number = 9.