Elementary Mathematics • Topic Practice Hub
HCF and LCM (ADRE Questions & PYQ Solutions)
Practice official ADRE solved questions and previous year paper sets for HCF and LCM. Includes step-by-step solutions and explanations. Explore 1 questions collected from official SLRC ADRE Grade 3 & Grade 4 papers.
Total MCQs
1
Official PYQs
1
Subject
Elementary Mathematics
Format
Bilingual MCQs
Solved MCQs & Official Answer Explanations
ADRE 2024 • 2024 Paper 1Question 1
The LCM and HCF of two numbers are 24 and 4 respectively. If one of the numbers is 12, then the other number is:
A.20
B.8 ✓ (Correct)
C.10
D.6
Explanation: Product of two numbers = $\text{HCF} \times \text{LCM} \implies 12 \times x = 4 \times 24 \implies 12x = 96 \implies x = 8$.
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