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    Question

    The LCM of two numbers is 216 and their HCF is 36. If

    one of the numbers is 72, the other number is:
    A 91 Correct Answer Incorrect Answer
    B 108 Correct Answer Incorrect Answer
    C 221 Correct Answer Incorrect Answer
    D 180 Correct Answer Incorrect Answer

    Solution

    LCM × HCF = a × b a = First number b = Second number => 36 × 216 = 72 × b => b = 108

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