self Maths Puzzle

32 men can do a piece of work in 15 days working for 6 hours a day. In how many days will 40 men can finish it if they work for 8 hours a day?

Read Solution (Total 1)

32 men=15 days(6hrs)=90hrs
40 men=x days(8hrs)

1men 1hr work: 32*90=1/2880
soln: 40*x*8=320x
2880/320x==>x=9 days
11 years agoHelpfull: Yes(1) No(0)

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