If 36 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?	Choose the correct option:
A) 60 hours	B) 50hours	C) 65 hours	D) 45 hours	E) 30 hours
Let the required number of hours be x. Then,   Less men, More hours	(Indirect Proportion)   15 : 36 : : 25 : x&lt;=&gt;(15 x x) =(36 x 25)&lt;=&gt;(36 x 25)/15 = 60   Hence, 15 men can do it in 60 hours   60 hoursnswer is 60 hours.
<result>A</result>
If 36 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?