A and B can do a piece of work in 12 days and B and C can do the same piece of work in 16 days. A work for 5 days and B work for 7 days and C complete the remaining work in 13 days then in how many days C would complete the same work?

(A + B) can do a piece of work in 12 days. (B + C) can do same work in 6(2)/(3) days. A work for 3 days, B works for 4 days and C completed the remaining work in 7 days. In how many days will A, B and C do this work alone ?

A can do a piece of work in 34 days. He worked for 14 days and then left. B completed the remaining work in 30 days. In how many days can B alone complete the work?

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?

A and B can do a piece of work in 8 days, B and C can do the same work in 12 days. If A, B and C can complete the same work in 6 days, in how many days can A and C complete the same work?

A can do a piece of work in 20 days and B can do the same piece of work in 30 days. They start working together and work for 5 days and then both leave he work. C alone finishes the remaining work in 14 days. In how many days will C alone finish the whole work?