Find the missing number?

A. 1

B. 2

C. 3

D. 4

Answer: Option B

Solution(By Examveda Team)

The sum of the 4 digits at the corners of the diagram is 17, as is the sum of the 4 digits in the middle of each side of the diagram.
So,
17 = x + 8 + 4 + 3.
x = 2.
Missing Number = 2.