If 20 men take 15 days to to complete a job, in how many days can 20 men finish that work?
Choose the correct choice from the following options:
A) 15  B) 16  C) 17  D) 18  E) 19
Ans. 15 days
<result>A</result>
If 20 men take 15 days to to complete a job, in how many days can 20 men finish that work?