Find the number of days in which the work was completed?

150 workers were engaged to finish a piece of work in a certain number of days. Four workers dropped on the second day, four more workers dropped on third day and so on. It takes 8 more days to finish the work now. Find the number of days in which the work was completed

  1. 28
  2. 30
  3. 24
  4. 25
Anurag Mishra Professor Asked on 10th December 2015 in Maths.
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  • 2 Answer(s)

    Answer:  (4) 25 

    Anurag Mishra Professor Answered on 10th December 2015.
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    n/2(2*150+(n-1) * -4
    n(152-2n)……ap formula

    150(n-8)= n(152-2n)
    n=25
    MINI ATREYA

    mini Default Answered on 31st August 2016.
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