SSC CGL 2025 PYQ — Question 84

SSC CGL - 13 Sep 2025 - Shift 1 • Reasoning • Q84

One number doesn't match this factorial series: 2, 6, 24, 100, 720, 5040

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 100.

Given series: 2, 6, 24, 100, 720, 5040

2 × 3 = 6, 6 × 4 = 24, 24 × 5 = 120 ≠ 100, 120 × 6 = 720, 720 × 7 = 5040