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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 me

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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`
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1 Answer

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Best answer
Correct Answer - (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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