Q. The sum of first 15 natural numbers is:

(A) 100
(B) 110
(C) 120
(D) 130

✅ Correct Answer: (C) 120

Explanation: n(n+1)/2 = 15×16/2 = 120.

Published by Ankit Singh ⭐ 8.48K Points at 04-Dec-2025 07:25 am in Math

Explanation by: Ankit Singh

n(n+1)/2 = 15×16/2 = 120.

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