A certain number of men can do a work in 20days. If there were 4 men less it could be finished in 5days more. How many men are there?
Answers
A) 10	B) 20	C) 25	D) 30	E) 35
The original number of men = 4(20+5)/5 = 20men   Answer is 20
<result>B</result>
A certain number of men can do a work in 20days. If there were 4 men less it could be finished in 5days more. How many men are there?