SarkariPYQ

SSC MTS 2026 PYQ — Question 4

SSC MTS - 20 Feb 2026 - Shift 1 • Quantitative Aptitude • Q4

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1 + 2 + 3 + …… + 45 = ?

Show answer & explanation

Correct answer: C

Explanation

Given:

1 + 2 + 3 + … + 45

According to the formula:

Sum = n(n + 1) / 2

= 45 × 46 / 2

= 45 × 23

= 1035