If 36 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?
Choose the correct choice from the following options
A) 65 hours B) 60 hours C) 30 hours D) 62 hours E) 66 hours
Let the required number of hours be x. Then,   Less men, More hours	(Indirect Proportion)   15 : 36 : : 25 : x	(15 x x) = (36 x 25)	(36 x 25)/15 = 60   Hence, 15 men can do it in 60 hours.   Answer is 60 hours.
<result>B</result>
If 36 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?