20 men can finish a work in 30 days. After 10 days, 10 men leave the w – McqOptions

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1.	20 men can finish a work in 30 days. After 10 days, 10 men leave the work. Remaining men work for next 10 days. How many extra men are required?
A.	20
B.	25
C.	15
D.	10
Answer» B. 25

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