If the ratio of two numbers is 3:4 and their HCF is 5, what is their LCM?
A30
B45
C60
D75
Explanation
Numbers are 3*5 = 15 and 4*5 = 20. LCM of 15 and 20 is 60.
Exam Relevance
- Topic: Number System
- Subtopic: HCF and LCM
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