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    Question

    The LCM and HCF of two integers are 540 and 12

    respectively. If one of the integers is 90, find the second integer.
    A 72 Correct Answer Incorrect Answer
    B 40 Correct Answer Incorrect Answer
    C 81 Correct Answer Incorrect Answer
    D 94 Correct Answer Incorrect Answer

    Solution

    ATQ,

    тАШLet, the second integer be x.

    We know,

    LCM ├Ч HCF = product of two numbers

    Or, 540 ├Ч 12 = x ├Ч 90

    Or, x = (540 ├Ч 12)/90

    Or, x = 72

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