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50 men working 10 hours daily can complete a job in
20 days. In how many days can 80 men do the job if
the working hours are reduced by 50%.
A. 20 days
B. 18 days
C. 25 days
D. 28 days
#wrong answers wil reported ​

Answer :

Lucky75go

Given :-

  • 50 men do 10 hours work daily complete work in 20 days

  • 80 men do job in 50% time

To Find :-

  • Days required

Solution :-

  • 1 man may do job in (50 Ã— 20) days =
  • 1 man may do job in 1000 days

Now,

  • 80 man = 1000/80 = 12.5

Now,

  • When hours reduced 50% then we will multiply days by 2
  • Total days = 12.5 Ã— 2 = 25 days.

Hence

  • Option C is correct

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