Question
Two taps would fill a cistern in 18 and 24 minutes respectively. Both tapsbeing opened find when the Ist tap must be turned off so that the cistern may be just filled in 12 minutes.
More Pipes and cisterns Questions
- Pipe A can fill a tank in 10 hours, whereas pipe B can empty the same tank in 12 hours. If the two pipes are operated alternately for one hour each, starti...
- Pipe ‘A’ takes 20 hours to fill a tank. Pipe ‘B’ takes 80 hours to empty the same tank. If both are opened together, then how long will it take to fill 75%...
- An empty tank can be filled by an inlet pipe in 10 hours, while an outlet pipe can empty it in 15 hours. If we open (N - 1) outlet pipes of the same capaci...
- Pipe ‘A’ can fill a tank in 30 hours while pipe ‘B’ can empty it in 40 hours. They were operated on alternate hours starting with pipe ‘A’. Find the percen...
- Pipe X and Y can fill a tank alone in 18 minutes and 24 minutes respectively. If all three pipes X, Y and Z together fill the tank in 8 minutes, find the t...
- An inlet can fill an empty tank in 7 hours whereas an outlet pipe can empty it in 14 hours. If (N - 1) such outlet pipes having same efficiency and (N + 2)...
- Two pipes A and B can fill a tank in 12 hours and 15 hours respectively. A third pipe C can empty the full tank in 20 hours . If all three pipes are o...
- Pipe A and Pipe B together can fill the tank in 32 hours. The capacity of the pipe A is 25% of the capacity of the pipe B. How much time will pipe B alone ...
- Pipe A can fill a tank in 12 hours. Pipe B can empty the same full tank in 18 hours. If both pipes are opened together when the tank is empty, in how many ...
- ‘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 c...
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