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Discussion :: Time and Work

  1. A and B can together do a price of work in 15 days. B alone can do it in 20 days. In how many days can A alone do it?
    2. A.
    30 days
    B.
    40 days
    C.
    45 days
    D.
    60days

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    Workspace

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    Answer : Option D

    Explanation :

    A's 1 day's work = (1/15 “ 1/20) = 1/60 


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