A can do a piece of work in 15 days and B in 25 days. How long will it take for A and B to complete the work together?

A can do a job in 12 days, B in 15 days, and C in 20 days. How long will they take to complete the job if they work together?

If A can finish a task in 6 days and B can do the same task in 9 days, what fraction of the task is completed by A and B working together in one day?

f A and B can complete a piece of work in 8 and 12 days respectively, how long will it take for B to complete the same work if A works twice as fast as B?

If A completes a job in 20 days and B completes the same job in 30 days, how many days will it take for A and B to complete the job together?

A and B can complete a job in 20 days and 30 days respectively. How long will it take for A to complete the job if B works for 10 days and then A finishes the rest?

A, B, and C can complete a work in 8, 12, and 24 days respectively. How long will it take for all three to complete the work together?

If A can complete a task in 10 days and B can do it in 15 days, how many days will it take for both A and B to complete the task if they work together?

A and B can finish a job in 16 days and 24 days respectively. If they start the work together and A leaves after 8 days, how many days will B take to complete the remaining work?

If A and B together can complete a job in 24 days, and A alone can complete it in 30 days, how long will B alone take to complete the job?