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LCM/HCF (Math) Solved Questions & Notes (2026) - Apex Rankers

General Competitive Exams > Math > LCM/HCF

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QUANTITATIVE APTITUDE TEST (Understanding Numbers): Point out the correct mathematical choice for the provided problems involving basic number properties, simplification, and arithmetic rules.
Q. 1 Quantitative Aptitude Test
Difficulty: Medium (1 Mark)
The L.C.M. of two numbers is 2310 and their H.C.F. is 30, if one of them is 210, the other is
A
300
B
330
✓ Correct
C
350
D
400
💡 Step-by-Step Explanation & Concept Rationale
Formula: A×B=LCM×HCF
⟹210×B=2310×30
⟹B=330.
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