A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the action of the work that is left is

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the action of the work that is left is

A 1/41/8

B 1/5

C 8/15

D None

Solution

Correct Answer: Option C