Pipe and Cistern Questions Practice Question and Answer
8 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:
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6051c40fa01bc44789a9abd2- 118 hoursfalse
- 214 hoursfalse
- 316 hoursfalse
- 415 hourstrue
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Answer : 4. "15 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?
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60b60d12adafcb4fbcf369bf- 1true
- 2false
- 3false
- 4Can’t be determinedfalse
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Answer : 1. " "
Q: Pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. The tank when full can be emptied by pipe C in x minutes. When all the three pipes are opened simultaneously, the tank is full in 10 minutes. The value of x is:
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64d20e2de0ce557496830b4f- 118false
- 215false
- 320true
- 424false
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Answer : 3. "20"
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-
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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: One filling pipe P is three times faster than another filling pipe Q, if P can fill tank in 24 hours, then what is the time taken to completely fill the tank if both the pipes are opened together?
765 062c3f5e931b6d20155fc54ee
62c3f5e931b6d20155fc54ee- 112 hoursfalse
- 218 hourstrue
- 316 hoursfalse
- 414 hoursfalse
- 5None of thesefalse
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Answer : 2. "18 hours"
Q: A tank can be filled by A in 60 minutes and emptied by B in 75 minutes. The tank is half filled and Ravi wants to fill the tank but opens B mistakenly and realizes after half hour and closed tap B. He then opens A and tank is completely filled in _______ minutes.
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64e75543de1aa1b70fdef7a0- 148false
- 254true
- 350false
- 464false
- 5None of thesefalse
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Answer : 2. "54"
Q: One-fourth of a tank holds135 litres of water. What part of the tank is full if contains 180 litres of water?
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650832b16e0e55b91dcd1a53- 1true
- 2false
- 3false
- 4false
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Answer : 1. " "
Explanation :
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?
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62c6a0619ac8916f08cb8ee9- 1100false
- 2170true
- 370false
- 4190false
- 5None of thesefalse
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