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24 men can complete a piece of work in 1...

24 men can complete a piece of work in 15 days. 2 days after
the 24 men started working, 4 men left the work. How
many more days will the remaining men now take to
complete the remaining work?

A

`15 3/5`

B

`16 4/5`

C

`11 2/5`

D

`10 4/5`

Text Solution

Verified by Experts

The correct Answer is:
(a)
`("Work")/("man" xx days) = ("Remaining work" )/("men" xx days)`
`W/(24xx13) = W/(20 xx D)`
`20 xx D = 24 xx 13`
`D = (24xx13)/20 = 78/5 =15 3/5 ` days
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