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    Question

    The LCM of two positive integers is 660 and their HCF is

    12. If one of the numbers is 132, what is the other number?
    A 60 Correct Answer Incorrect Answer
    B 80 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 90 Correct Answer Incorrect Answer

    Solution

    ATQ, For two numbers a and b: a × b = LCM × HCF. Given a = 132, LCM = 660, HCF = 12. So 132 × b = 660 × 12 = 7920 b = 7920 / 132 = 60.

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