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Discussion :: Time and Work

  1. A work which could be finished in 9 days was finished 3 days earlier after 10 more men joined. The number of men employed was?
    2. A.
    18
    B.
    20
    C.
    22
    D.
    24

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    Workspace

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    Answer : Option B

    Explanation :

    x ------- 9

    (x + 10) ---- 6

    x * 9 = (x + 10)6

    x = 20

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