A and B can complete a piece of work in 15 days and 10 days, respectively . They work together for 4 days and then B leavs. In how many days will A alone complete the remaining work ?

Rakesh and Siva can do a piece of work in 15 days and 18 days respectively. They work together for 5 days and then Rakesh leaves. In how many days will Siva alone finish the remaining work?

Rakesh and Siva can do a piece of work in 15 days and 18 days respectively. They work together for 5 days and then Rakesh leaves. In how many days will Siva alone finish the remaining work?

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:

Ram and Mohan can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days Mohan had to leave and Ram alone completed the remaining work The whole work was completed in:

A, B and C can complete a piece of work in 10, 20 and 60 days respectively. Working together they can complete the same work in how many days?