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Discussion :: Time and Work

  1. A and B can do a piece of work in 12 days and 16 days respectively. Both work for 3 days and then A goes away. Find how long will B take to complete the remaining work?
    2. A.
    15 days
    B.
    12 days
    C.
    10 days
    D.
    9 days

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    Workspace

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    Answer : Option D

    Explanation :

    3/12 + (3 + x)/16 = 1

    x = 9 days

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