A can do a piece of work in 10 days and B can do the same piece of work in 20 days. They start the work together but after 5 days. A leaves off B will do the remaining piece of work in?
A. 5 days
B. 6 days
C. 8days
D. 10days
Answer:A
A can do a piece of work in 10 days and B can do the same piece of work in 20 days. They start the work together but after 5 days. A leaves off B will do the remaining piece of work in?
A. 5 days B. 6 days C. 8days D. 10days