If 48 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?  Choose the most appropriate option
A) 80 hours	B) 75 hours	C) 70 hours	D) 65 hours	E) 60 hours
Let the required number of hours be x. Then,   Less men, More hours	(Indirect Proportion)   15 : 48 : : 25 : x&lt;=&gt;(15 x x) =(48 x 25)&lt;=&gt;(48 x 25)/15 = 80   Hence, 15 men can do it in 60 hours   80 hoursnswer is 80 hours.
<result>A</result>
If 48 men can do a piece of work in 25 hours, in how many hours will 15 men
do it ?