Time and Work T...

Two taps together can fill a cistern in 8 hours. If the first tap alone can fill it in 15 hours, then how much time will the second tap alone take to fill it?

A, B and C complete a work in 3 days. A alone can do it in 8 days. B alone can also do the same work in 8 days. In how many days can C alone finish the same work?

A and B together can do a piece of work in 15 days while B and C together can do the same work in 12 days and C and A together can do the same work in 10 days. They all work together for 5 days, then B and C leave. How many more days will A take to finish the remaining work?

It was estimated that 30 men would complete a piece of work in 50 days, working for 6 hours a day. But after 15 days from the start of the work, 15 men dropped out of work. How many hours per day will the remaining men have to work so as to complete the work on time?

Three pipes A, B and C together can fill a tank in 6 hours. If all three are kept open at the same time for 2 hours, after which C is closed, A and B can fill the remaining part of the tank in 7 hours. What is the number of hours taken by C alone to fill the tank?

15 men are employed to do a piece of work which they can finish in 10 days, but 5 men quit at the end of 5 days. In how many days will the remaining work be completed?

'A' can do a piece of work in 9 days, 'B' can do the same work in double of that time and 'C' can only do 1/4^th of as much work as 'A' does in one day. How long will it take for 'A', 'B' and 'C' to do the same job if they all work together?

Taps A, B and C can fill a tank in 12, 15 and 10 hours, respectively. If tap B is opened all the time and tap A and tap C are opened for one hour each alternately, the tank will be full in

If 100 men can do 100 jobs in 100 days, then in how many days can 1 man can do 1 job?

A and B can do a work in 30 days and 10 days, respectively. If they work on alternate days, beginning with A, in how many days will the work be completed?