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Discussion

  1. If 2 men or 3 women or 4 boys can do a piece of work in 52 days. Then the same piece of work will be done by 1 man, 1 woman and 1 boy in ?
    1. 48 days
    2. 36 days
    3. 45 days
    4. none of these
  1. Correct Option: A

    Work done by 2 men = 3 woman = 4 boys
    ∴ 1 man = 2 boys
    1 woman = 4/3 boys
    ∴ boys X days = 4 X 52 (boys - days)
    Again 1 man + 1 woman + 1 boy = 2 + 4/3 + 1 = 13/3 boys
    B1 x D1 = B2 x D2 B = boys, D = days
    4 X 52 = 13/3 x D2
    D2 = 48 days


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