Multiple Choice Questions on How much water must be added to 100cc of 80 solution of Boric acid to reduce it to a 50 solution ........ for Mathematics - All Exams Preparation

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Multiple Choice Questions

How much water must be added to 100cc of 80 solution of Boric acid to reduce it to a 50 solution ........

Quant (SSC) Mixture and Alligation
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    How much water must be added to 100cc of 80% solution of Boric acid to reduce it to a 50% solution?

    30

    Incorrect Answer

    40

    Incorrect Answer

    50

    Incorrect Answer

    60

    Correct Answer
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    Explanation:

    50%(100+x) = 80
    100 + x = 80 x 2
    x = 160 - 100 = 60

    By: Amit Kumar
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