Number of even divisions of 504 is

Ans: (C),(D)

Sol: 504 = 2³ × 3² × 7.. Any even divisor of 504 is of the form 2ⁱ × 3i × 7k, where I ≤ i ≤ 3 , 0 ≤ j ≤2, 0 ≤ k ≤ 1.

Thus total number of even divisors is

3 × 3 × 2 = 18

Hence (C), (D) are the correct answer.