36 men can complete a piece of work in 18 days. In how many days will 81 men complete the same work ?  Choose the correct choice from the following answers
A) 8  B) 77  C) 88  D) 29  E) 21
Explanation:   Less Men, means more Days {Indirect Proportion}   Let the number of days be x   then,   81 : 36 :: 18 : x   x = 8   8nswer: 8) 8 days
<result>A</result>
36 men can complete a piece of work in 18 days. In how many days will 81 men complete the same work ?