Multiple Choice Questions on The ratio of two number is 3 4 and their L C M is 120 The sum of number is ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

The ratio of two number is 3 4 and their L C M is 120 The sum of number is ........

Quant (SSC) LCM, HCF
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    The ratio of two number is 3 : 4 and their L.C.M is 120. The sum of number is

    70

    Correct Answer

    35

    Incorrect Answer

    140

    Incorrect Answer

    105

    Incorrect Answer
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    Explanation:

    Let's number be x and y
    = x/y = 3/4
    ⇒ xy /34 ⇔ 40x /120 = 30y /120
    From the equation, we get x = 30, y = 40
    Sum of x and y = 30 + 40 = 70.

    By: Amit Kumar
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