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Discussion :: Time and Work

  1. A is twice as good a work man as B and together they finish the work in 14 days. In how many days A alone can finish the work?
    2. A.
    20
    B.
    21
    C.
    22
    D.
    23

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    Workspace

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    Answer : Option B

    Explanation :

    WC = 2:1

    2x + x = 1/14 => x = 1/42

    2x = 1/21

    A can do the work in 21 days.

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