A certain number of men can do a piece of work in 80 days. If there were 10 men less, it could be finished in 20 days more. How many men are there in the starting ?

A certain number of men can do a piece of work in 80 days. If there we

1.	A certain number of men can do a piece of work in 80 days. If there were 10 men less, it could be finished in 20 days more. How many men are there in the starting ?
A.	45
B.	50
C.	40
D.	60
Answer» C. 40

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A certain number of men can do a piece of work in 80 days. If there were 10 men less, it could be finished in 20 days more. How many men are there in the starting ?

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