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      Question

      The HCF of two numbers is 12 and their LCM is 180. If

      one of the numbers is 36, find the other number.
      A 60 Correct Answer Incorrect Answer
      B 45 Correct Answer Incorrect Answer
      C 75 Correct Answer Incorrect Answer
      D 90 Correct Answer Incorrect Answer

      Solution

      For two numbers a and b: a Γ— b = HCF Γ— LCM Here: 36 Γ— b = 12 Γ— 180 = 2160 So b = 2160 / 36 = 60 Answer: The other number is 60.

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