SSC GD 2023 PYQ — Question 48

SSC GD Constable (English) - 6 Feb 2023 - Shift 4 • Quantitative Aptitude • Q48

The greatest number, by which when the numbers 1658 and 2038 are divided, the remainder are 7 and 6, respectively, is:

Show answer & explanation

Correct answer: B

Explanation

The correct answer is Option 2 i.e. 127.

The first number = (1658 - 7) = 1651

The second number = (2038 - 6) = 2032

H.C.F of two numbers

⇒ 1651 = 1 × 13 × 127

⇒ 2032 = 2 × 2 × 2 × 2 × 127

H.C.F = 127

So, if we divide 1658 and 2032 by 127 we will get 7 and 6 as remainder