36 men can complete a piece of work in 18 days.In how days will 27 men can complete the work?
Select the correct option:
A) 18
B) 20
C) 17
D) 24
E) 21

Rationale: "let the required number of days be x less men , more days ( indirect proportion ) 27 : 36 : : 18 : x 27 x = 36 * 18 x = ( 36 * 18 ) / 27 x = 24 days option is d"
Answer: D