[" 9.A and B together complete a piece of work in T "],[" days.If A alone completes the work in "T+3" days "],[" and B alone completes the piece of work in "T+12],[" days,what is T? "],[" (a) "3" days."]

A and B together complete a piece of work in T days. If A alone completes the work in T + 3 days and B alone completes the piece of work in T + 12 days, what is T? 3 d a y s b. 9 d a y s c. 12 d a y s d. cannot be determined e. none of these

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 ?

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 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?

Both X and Y together can complete a work in 12 days and Y alone can complete the same work in 30 days. In how many days will X alone complete the work?