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The HCF of two numbers is 6 and their LCM is 180. One of the numbers is 30. Find the other.

Competition practiceNumber System, HCF & LCM
  • A36
  • B30
  • C54
  • D60

Step-by-Step Solution

Other number = HCF × LCM . (Check: HCF(30, 36) = 6 and LCM = 180.)
Answer: A) 36

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