If 36 men can do a piece of work in 25 hours, in how many hours will 12 men do it?	Choose the correct choice from the following:  A) 22  B) 38  C) 60  D) 88  E) 75
Explanation:   Let the required no of hours be x. Then   Less men , More hours (Indirect Proportion)   \inline \fn_jvn \therefore 12:36 ::25:x \inline \fn_jvn \Leftrightarrow (12 x X)=(36 x 25) \inline \fn_jvn \Leftrightarrow \inline \fn_jvn x=\frac{36\times 25}{12}=75   Hence, 12 men can do it in 75 hours.   Answer: 75) 75
<result>E</result>
If 36 men can do a piece of work in 25 hours, in how many hours will 12 men do it?