Multiple Choice Questions on If 15 of A B 25 of A ndash B then what percent of B is equal to A ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

If 15 of A B 25 of A ndash B then what percent of B is equal to A ........

Quantitative Aptitude ( CCS) Percentage
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     If 15% of (A + B) = 25% of (A – B), then what percent of B is equal to A?

    10%

    Incorrect Answer

    60%

    Incorrect Answer

    200%

    Incorrect Answer

    400%

    Correct Answer
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    Explanation:

    Cancel out the %age symbol first.
    15 (A + B) = 25 (A - B)
    Divide the equation by 5:-
    3(A + B) = 5 (A - B)
    3A + 3B = 5A - 5B
    A = 4B
    Compare this expression with A = ?% * B
    So ?% = 4    => 400%

    By: Deepak Dawra
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