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

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