A can do a piece of work in 18 days, B in36 days and C in 54 days. A starts the work and is joined by B after 1 day, C joins them after 4 more days. How many more days will be required to complete the work?

A alone can do a certain job in 15 days , while B alone can do it in 10 days . A started the work and was joined by B after 5 days. The work lasted for how many days?

A can complete a piece of work in 18 days, B in 20 days and C in 30 days. B and C together start the work and are forced to leave after 2 days. The time taken by A alone to complete the remaining work is

A can do a piece of work in 20 days and B can do same work in 25 days. Both A and B start the work and after 8 days A left. In how many days will the total work be completed ?

A can do a work in 10 days and that of B in 15 days . B starts the work alone but after 3 days he left the work & A joined the work . In how many days will the total work be finished ?

A can do a piece of work in 12 days and B can do same work in 18 days. Both A and B start the work and after some days A left and B complete the remaining work in 8 days. After how many days will A left work?