SSC GD 2025 PYQ — Question 42

SSC GD Const 2025 (English) - 04 Feb 2025 - Shift 1 • Quantitative Aptitude • Q42

The HCF of two numbers is 11 and their sum is 132. If both the numbers are greater than 42, then the difference between the two numbers is:

Show answer & explanation

Correct answer: D

Explanation

The correct answer is Option 4 i.e. 22.

Since HCF is 11, let the numbers be 11x and 11y.

11x + 11y = 132

x + y = 12

co-prime pairs for 12 :

(5, 7) ,11 × 5 = 55 and 11 × 7 = 77 Both > 42 

Difference = 77−55 = 22​