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Discussion :: Time and Work

  1. Sakshi can do a piece of work in 20 days. Tanya is 25% more efficient than Sakshi. The number of days taken by Tanya to do the same piece of work is:

    2. A.

    15
    B.

    16
    C.

    18
    D.

    25

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    Workspace

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    Answer : Option B

    Explanation :

    Ratio of times taken by Sakshi and Tanya = 125 : 100 = 5 : 4.

     

    Suppose Tanya takes x days to do the work.

     

    5 : 4 :: 20 : x     x =\(\left(\frac{4*20} { 5 }\right)\)

     

     x = 16 days.

     

    Hence, Tanya takes 16 days to complete the work.

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