If 36 men can do a piece of work in 25 hours, in how mwny hours will15 men do it?
A. 50
B. 40
C. 60
D. 70
Answer:C
If 36 men can do a piece of work in 25 hours, in how mwny hours will15 men do it?
A. 50 B. 40 C. 60 D. 70