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Discussion :: Time and Work

  1. A and B can do a piece of work in 7 days. With the help of C they finish the work in 5 days. C alone can do that piece of work in?
    2. A.
    1 day
    B.
    10 days
    C.
    30 days
    D.
    32 days

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    Workspace

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    Answer : Option C

    Explanation :

    C = 1/5 “ 1/6 = 1/30 => 30 days

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