40 men can finish a piece of work in 40 days. They started the work together, but after every 10 days, 5 men leave the work, the whole work will finish in?

40 men can finish a piece of work in 40 days. They started the work to

1.	40 men can finish a piece of work in 40 days. They started the work together, but after every 10 days, 5 men leave the work, the whole work will finish in?
A.	56 days
B.	\(42 \dfrac{2}{3} \ days\)
C.	\(56 \dfrac{2}{3} \ days\)
D.	54 days
Answer» D. 54 days

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40 men can finish a piece of work in 40 days. They started the work together, but after every 10 days, 5 men leave the work, the whole work will finish in?

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