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      Question

      The LCM and the HCF of the numbers 42 and 63 are in the

      ratio:
      A 3:1 Correct Answer Incorrect Answer
      B 2:1 Correct Answer Incorrect Answer
      C 6:1 Correct Answer Incorrect Answer
      D 7:1 Correct Answer Incorrect Answer

      Solution

      L.C.M. of 42 and 63 = 126 H.C. F. of 42 and 63 = 21 Required ratio = 126:21 = 6:1

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