7 days
6 days
4 days
5 days
A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :
A and B can complete a work in 30 days, while B and C do the same work in 24 days and C and A do the same work on 20 days. They all work together for 10 days and after that B and C leave the work. How many days more will A take to finish the work ?
A and B can do a job together in 7 days. A is 7/4 times as efficient as B. The same job can be done by A alone in :
A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. C alone can do the work in :
A and B can do a piece of work in 10 days. B and C can do it in 12 days. A and C can do it in 15 days. How long will A take to do it alone ?
A and B can do a piece of work in 10 days. B and C can do it in 12 days. C and A in 15 days. In how many days will C finish it alone ?
A and B can do a piece of work in 10 hours. B and C can do it in 15 hours, while A and C takes 12 hours to complete the work. B independently can complete the work in
A and B can do a piece of work in 12 days and 15 days respectively. They began to work together but A left after 4 days. In how many more days would B alone complete the remaining work ?
A and B can do a piece of work in 12 days. B and C in 15 days. C and A in 20 days. A alone can do the work in ?
A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. In what time can they do it all working together ?
