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    The HCF and LCM of 36 and N are 9 and 180 respectively. N is equal to:
    Question

    The HCF and LCM of 36 and N are 9 and 180 respectively. N is equal to:

    A.

    65

    B.

    63

    C.

    45

    D.

    90

    Correct option is C

    Given:
    HCF of 36 = 9 and LCM of N = 180
    Formula Used:
    Multiplication of both numbers = LCM × HCF
    Solution:
    Multiplication of both numbers = LCM × HCF
    => 36 × N = 9 × 180
    => N = 9×18036\frac{9 × 180}{36}​​
    => N = 45

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