A can complete a piece of work in 4 days while B alone can complete it in 7 days. If A starts working and left after 2 days, in how many days can B alone complete the remaining piece of work?
1
5 days
2
4.5 days
3
3 days
4
3.5 days
A can complete a piece of work in 4 days while B alone can complete it in 7 days. If A starts working and left after 2 days, in how many days can B alone complete the remaining piece of work?