One-fourth of the sum of prime numbers, greater than 4 but less than 16, is the square of = ?

A. 3

B. 4

C. 5

D. 7

Answer: Option A

Solution(By Examveda Team)

Sum of prime numbers greater than 4 but less than 16
$$\eqalign{ & = \left( {5 + 7 + 11 + 13} \right) \cr & = 36 \cr & \therefore \frac{1}{4} \times 36 \cr & = 9 \cr & = {3^2} \cr} $$