SSC GD 2026 PYQ — Question 50

SSC GD Constable - 28 April 2026 - Shift 2 • Quantitative Aptitude • Q50

Which is the least number exactly divisible by 8, 10, 15 and 20?

Show answer & explanation

Correct answer: A

Explanation

8 = 2³
10 = 2 × 5
15 = 3 × 5
20 = 2² × 5

LCM = 2³ × 3 × 5

= 8 × 3 × 5

= 120

Smallest number = 120