1 + 2 + 3 + ... + 30 = ?
Show answer & explanation
Correct answer: B
Explanation
n = 30
Sum of natural numbers = n(n+1)/2
= 30 × 31 / 2
= 15 × 31
= 465
SSC GD Constable - 30 April 2026 - Shift 3 • Quantitative Aptitude • Q45
1 + 2 + 3 + ... + 30 = ?
Correct answer: B
Explanation
n = 30
Sum of natural numbers = n(n+1)/2
= 30 × 31 / 2
= 15 × 31
= 465