If A can complete a job in 12 days, B in 18 days, and C in 24 days, how long will it take for all three working together to complete the job?

A and B can complete a job in 30 days and 45 days respectively. If they work together, how long will it take to complete the job?

If A and B together can complete a work in 10 days, and B alone can complete it in 15 days, how many days will A alone take to complete the work?

A can complete a task in 8 hours, B can complete it in 12 hours, and C can do it in 24 hours. How long will it take for all three to complete the task working together?

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?

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?

If A can complete a job in 5 hours and B can do it in 15 hours, how long will it take for them to complete the job together?

A and B can complete a work in 10 days and 15 days respectively. If they work together for 5 days, what fraction of the work is left?

A, B, and C can finish a work in 10, 15, and 30 days respectively. If they work together, how long will they take to complete the work?

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?