Multiple Choice Questions on X can do a work in 16 days In how many days will the work be completed by Y if the efficiency of Y i........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

X can do a work in 16 days In how many days will the work be completed by Y if the efficiency of Y i...........

Quant (SSC) Time and work
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    X can do a work in 16 days. In how many days will the work be completed by Y, if the efficiency of Y is 60% more than that of X?

    10 days

    Correct Answer

    12 days

    Incorrect Answer

    25 days

    Incorrect Answer

    30 days

    Incorrect Answer
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    Explanation:

    Y's 1 day's work
    = X's one day's work × 100 + a/100
    Where a is the percentage increase in efficiency.
    X's 1 day's work = 1/16
    = 1/16 x 100+60/100
    = 160 /16 x 100 = 1/10
    Y alone finish the work in 10 days.

    By: Amit Kumar
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