36 men can complete a piece of work in 18 days. In how many days will 54 men complete the same work ?  Choose the correct choice from the following choices
A) 24
B) 77
C) 88
D) 29
E) 12

Rationale: "explanation : less men , means more days { indirect proportion } let the number of days be x then , 54 : 36 : : 18 : x x = 12 answer : e ) 12 days"
Answer: E