Pipe and Cistern Questions Practice Question and Answer
8 Q: Two pipes, A and B, can fill a tank in X minutes and 6 minutes, respectively. If both the pipes are used together, then they take 1.5 minute to fill the tank. Find the value of X.
508 0608292eb60a06a7ffdaaf8a3
608292eb60a06a7ffdaaf8a3- 11 minfalse
- 24 minfalse
- 35 minfalse
- 42 mintrue
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Answer : 4. "2 min"
Q: Pipes A and B together can fill a tank in 16 hours, whereas pipe C alone can empty the full tank in 24 hours. A and B were opened together for 10 hours and then closed. Pipe C was then opened. The tank will now be emptied by C in:
491 06051c40fa01bc44789a9abd2
6051c40fa01bc44789a9abd2- 118 hoursfalse
- 214 hoursfalse
- 316 hoursfalse
- 415 hourstrue
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Answer : 4. "15 hours"
Q: A Cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously then after how much time will the cistern get filled?
490 0613b17f8a0ff2d3b5e8f7657
613b17f8a0ff2d3b5e8f7657- 16.5 hrsfalse
- 27.2 hrstrue
- 32.5 hrsfalse
- 43 hrsfalse
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Answer : 2. "7.2 hrs"
Q: Two pipes A and B can fill a tank in 3 hours and 5 hours. Then, if all three are open, the tank is filled in 30 hours. Find in how many hours a third pipe will empty the tank?
484 0611f7aa3b14e9c13a8ec0ccb
611f7aa3b14e9c13a8ec0ccb- 14 hoursfalse
- 22 hourstrue
- 38 hoursfalse
- 46 hoursfalse
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Answer : 2. "2 hours"
Q: A pipe can fill a tank in x hours and an another can empty it in y hours. In how many hours will they together fill it. If y>x?
450 060b60d12adafcb4fbcf369bf
60b60d12adafcb4fbcf369bf- 1$$ {xy\over y-x}{hrs}$$true
- 2$$ {y-x\over xy}{hrs}$$false
- 3$$ {2yx\over y-x}{\ hs}$$false
- 4Can’t be determinedfalse
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Answer : 1. "$$ {xy\over y-x}{hrs}$$"
Q: Two pipe A and B can fill a tank in 16 hrs and 12 hrs respectively. The capacity of the tank is 240 litres. Both the pipes are opened simultaneously and closed after 2 hrs. How much more water (In Liters) needed to fill the tank?
289 062c6a0619ac8916f08cb8ee9
62c6a0619ac8916f08cb8ee9- 1100false
- 2170true
- 370false
- 4190false
- 5None of thesefalse
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Answer : 2. "170"
Q: A cistern has 3 pipes A, B and C. A and B can fill it in 3 and 4 hours respectively, and C can empty it in 1 hour. If the pipes are opened at 3 p.m., 4 p.m. and 5 p.m. respectively on the same day, the cistern will be empty at-
273 0630359612876110d0951efd9
630359612876110d0951efd9- 17.12 p.m.true
- 27.15 p.m.false
- 37.10 p.m.false
- 47.18 p.m.false
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Answer : 1. "7.12 p.m."
Q: A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was closed after 30 minutes, the tank is filled in 40 minutes. The pipe B can alone fill the tank in?
268 062d129446c73e80f8cdd9452
62d129446c73e80f8cdd9452- 145 minutesfalse
- 260 minutesfalse
- 375 minutesfalse
- 490 minutestrue
- 585 minutesfalse
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