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    Question

    The LCM of two numbers is 240, and they are in the ratio

    3:5. Determine the sum of these numbers.
    A 120 Correct Answer Incorrect Answer
    B 128 Correct Answer Incorrect Answer
    C 156 Correct Answer Incorrect Answer
    D 139 Correct Answer Incorrect Answer

    Solution

    ATQ,
    Let the numbers be 3m and 5m.

    LCM of the numbers = 15m

    Given, 15m = 240

    So, m = 16

    Thus, the numbers are 48 and 80.

    Hence, the sum = 48 + 80 = 128.


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