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Discussion :: Time and Work

  1. If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time?
    2. A.
    1:3
    B.
    3:1
    C.
    1:2
    D.
    2:1

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    Workspace

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    Answer : Option D

    Explanation :

    5M + 2B = 4(1M + 1B)
    5M + 2B = 4M + 4B
    1M = 2B
    The required ratio of work done by a man and a boy = 2:1

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