A and B together can do a piece of work in 12 days and A alone can complete the work in 18 days. How long will B alone take to complete the job ?

A and B working together can do a piece of work in 12 days and A alone can caomplete the work in 18 days. How long will B alone take to complete the job?

A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work?

A and B together can do a piece of work in 12 days and A alone can do it in 18 days. In how many days canBalone do it?

A and B working together can do 30% of the work in 6 days. B alone can do the same work in 25 days. How long will A alone take to complete the same work?

A and B together can complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work ?