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    Question

    The least common multiple (LCM) of two numbers is 144, and

    the numbers are in the ratio 4:6. Find their sum.
    A 120 Correct Answer Incorrect Answer
    B 165 Correct Answer Incorrect Answer
    C 156 Correct Answer Incorrect Answer
    D 139 Correct Answer Incorrect Answer

    Solution

    ATQ,
    Let the numbers be 4m and 6m.

    LCM of the numbers = 12m

    Given, 12m = 144

    So, m = 12

    Thus, the numbers are 48 and 72.

    Hence, the sum = 48 + 72 = 120.


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