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Discussion :: Time and Work

  1. A can do a piece of work in 4 hours; B and C together can do it in 3 hours, which A and C together can do it in 2 hours. How long will B alone take to do it?
    2. A.
    8 hours
    B.
    10 hours
    C.
    12 hours
    D.
    24 hours

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    Workspace

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    Answer : Option C

    Explanation :

    A's 1 hour work = 1/4;

    (B + C)'s 1 hour work = 1/3;

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