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 option.
A) 3 days
B) 7 days
C) 9 days
D) 11 days
E) 15 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.   Option '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
?