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Q: The ratio of two numbers is 7:13 and their HCF is 8. Their LCM is:
  • A. 628
  • B. 782
  • C. 872
  • D. 728
Correct Answer: Option D - LCM = HCF × ab LCM = 8×7×13 LCM = 728
D. LCM = HCF × ab LCM = 8×7×13 LCM = 728

Explanations:

LCM = HCF × ab LCM = 8×7×13 LCM = 728