SSC CHSL 2025 PYQ — Question 64

SSC CHSL - 26 Nov 2025 - Shift 1 • Quantitative Aptitude • Q64

Which of the following is the least number that is divisible by each of the numbers 16, 20, and 24 is:

Show answer & explanation

Correct answer: B

Explanation

Given:

Numbers = 16, 20, 24

Formula:

Smallest number = LCM (16, 20, 24)

16 = 2⁴

20 = 2² × 5

24 = 2³ × 3

LCM = 2⁴ × 3 × 5

= 16 × 3 × 5

= 240

240 is not in the given options, so the smallest multiple of 240 that is in the options is:

240 × 15 = 3600