Nep 1 :
24 men working at 8 hours per day can do a piece of work in 15 days. In how many du :
can 20 men working at 9 hours per day do the same work?
175 men can dio a canal 1150
4.
Answers
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4
24 men working 8 hrs / day can do a piece in 15
days
∴ Total work units =24×8×15
=2880
No.of days required by 20 men, working at
a hrs/day= 2880/(20×9)
=16 days
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