Question
‘P’ and ‘Q’ can do a piece of work in 12 days and 18 days, respectively. ‘P’ started working alone and was replaced by ‘Q’ after 4 days. In how many days can ‘Q’ complete the remaining amount of work alone?
More Pipes and cisterns Questions
- Tap ‘A’ and tap ‘B’ can fill a tank in 48 hours and 30 hours, respectively. If both taps are opened together, then find the time after which tap ‘A’ must b...
- Pipe ‘E’ alone can fill a tank in 15 hours. When pipe ‘E’ and ‘F’ are opened together, they can fill 90% of the same tank in 9 hours. Find the time taken b...
- Pipe 'X' can fill a tank in 24 hours. Pipe 'Y' can fill the same tank in 36 hours. If pipe 'X' is started ___ hours after pipe 'Y', then the tank will be c...
- Pipes A and B can fill the tank in 16 and 20 hours respectively. Pipe C empties it in ‘x’ hours. If all are opened together, the tank gets filled in 8 hour...
- Pipe ‘A’ takes 30 hours to fill a tank. Pipe ‘B’ takes 90 hours to empty the same tank. If they are opened together, then 60% of the tank will be filled in...
- Pipe A fills a tank in 12 h; Pipe B in 15 h; Pipe C empties it in 10 h. All three opened together. After x hours, C is closed and tank gets full in 2 more ...
- Pipe A can fill a tank in 50% less time than it takes pipe B to empty it, while pipe C can fill the same tank in 25% less time than pipe B's emptying durat...
- Pipe A and Pipe B could fill a tank together in 40 hours and 16 hours respectively, while pipe C could empty it in 20 hours. If both inlet pipes are opened...
- Two pipes M and N can fill a tank in 8 hours and 12 hours respectively. The pipes were opened together, but pipe N stopped working after sometime and the r...
- Pipes A and B can fill a tank in 43.2 minutes and 108 minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened to...
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