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Discussion

  1. 2 men and 3 women finish 25% of the work in 4 days, while 6 men and 14 women can finish the whole work in 5 days, In how many days will 20 women finish it?
    1. 20
    2. 25
    3. 24
    4. 88
  1. Correct Option: A

    8M + 12W = 4 days (whole work)
    ⇒ 32M + 48W = 1 day ................ (1)
    Again 6M + 14W = 5 days
    ⇒ 30M + 70W = 1 day ................(2)
    From eq. (1) and (2)
    32M + 48W = 30M +70W
    ⇒ 2M = 22W
    ⇒ 1M = 11W
    Now, 30M + 70W = 1 day
    (30 X 11 X 70)W = 1 day
    Therefore 400W requires 1 day to complete the whole work.
    Thus 20W needs 20 days to complete the whole work.

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