If 3 persons can do 3 times of a particular work in 3 days, then, 7 persons can do 7 times of that work in?
Choose the correct choice from the following answers
A) 3 days  B) 5 days  C) 7 days  D) 11 days  E) 12 days
That is, 1 person can do one time of the work in 3 days.   Therefore, 7 persons can do 7 times work in the same 3 days itself.   3 days)
<result>A</result>
If 3 persons can do 3 times of a particular work in 3 days, then, 7 persons can do 7 times of that work in?