Multiple Choice Questions on Two numbers A and B are such that the sum of 5 of A and 4 of B is two third of the sum of 6 of A and........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Two numbers A and B are such that the sum of 5 of A and 4 of B is two third of the sum of 6 of A and...........

Quant (SSC) Ratio, Proportion
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    Two numbers A and B are such that the sum of 5% of A and 4% of B is two-third of the sum of 6% of A and 8% of B. Find the ratio of A : B is

    4 : 3

    Correct Answer

    3 : 4

    Incorrect Answer

    1 : 1

    Incorrect Answer

    2 : 3

    Incorrect Answer
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    Explanation:

    From the equation, we get
    5% of A + 4% of B = 2/3  (6% of A + 8% of B)
    ⇒ 15% of A + 12% of B = 12% of A + 16% of B
    ⇒ [15 – 12] % of A = [16 – 12] % of B
    ⇒ 3 % of A = 4% of B
    ⇒ A /B = 4/3
    Therefore, A : B = 4 : 3.

    By: Amit Kumar
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