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Discussion :: Time and Work

  1. A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.
    2. A.
    12 1/2 days
    B.
    25 days
    C.
    6 days
    D.
    12 days

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    Workspace

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    Answer : Option A

    Explanation :

    15/25 + 10/x = 1 => x = 25

    1/25 + 1/25 = 2/25

    25/2 = 12 1/2 days

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