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Discussion :: Time and Work

  1. A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in?
    2. A.
    4 days
    B.
    6 days
    C.
    8 days
    D.
    12 days

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    Workspace

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    Answer : Option C

    Explanation :

    (A + B + C)'s 1 day work = 1/6;

    (A + B)'s 1 day work = 1/8

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