SSC GD 2025 PYQ — Question 48

SSC GD Const 2025 (English) - 18 Feb 2025 - Shift 1 • Quantitative Aptitude • Q48

LCM and HCF of two numbers are 54 and 9 respectively. If one of the numbers is 18, then find the other number.

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 27

HCF × LCM = Product of the numbers

9 × 54 = 18 × x

486 = 18 × x

x = 486 ÷ 18

x = 27