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SSC CGL Number System question with solution

Number SystemModerateSSC CGL 2023

The HCF and LCM of two numbers are 4 and 24 respectively. If one of the numbers is 8, what is the other number?

  1. (A)8
  2. (B)12
  3. (C)16
  4. (D)3

Correct answer: (B) 12

For any two numbers, product of the numbers = HCF × LCM. So the other number = (4 × 24) ÷ 8 = 96 ÷ 8 = 12.

Shortcut: Other number = HCF × LCM ÷ given number.

About this question

Subject
Quantitative Aptitude
Topic
Number System
Exam
SSC CGL 2023
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Appears in: SSC CGL 2023 Tier 1 Question Paper — 14 July, Shift 1

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Last reviewed on 5 Oct 2026. Spotted a mistake? See our correction policy.