How Many Men can do the Same Work?

42 men can do a piece of work in 18 days. How many men would be engaged to do the same work in 21 days?

  1. 36
  2. 24
  3. 30
  4. 44
Monis Rasool Professor Asked on 23rd May 2015 in Maths.
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  • 1 Answer(s)

    Answer: (1) 36
    Explanation:-

    Formula-
    M1D1 = M2D2
    where, M = number of men
    D = number of day
    According to question,  42 x 18 = M2 x 21
    M2 = 42 x 18 /21 = 2 x 18
    = 36 men

    Hence, 36 men would be engaged to do the same work in 21 days.

    Anurag Mishra Professor Answered on 28th May 2015.
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