If 24 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?  Choose the correct option: A) 40 hours B) 45 hours C) 50 hours D) 55 hours E) 60 hours
Let the required number of hours be x. Then,   Less men, More hours	(Indirect Proportion)   15 : 24 : : 25 : x&lt;=&gt;(15 x x) =(24 x 25)&lt;=&gt;(24 x 25)/15 = 40   Hence, 15 men can do it in 60 hours   40 hoursnswer is 40 hours.
<result>A</result>
If 24 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?