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:
490 06051c40fa01bc44789a9abd2
6051c40fa01bc44789a9abd2- 118 hoursfalse
- 214 hoursfalse
- 316 hoursfalse
- 415 hourstrue
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Answer : 4. "15 hours"
Q: If 20 taps can fill a tank in 14 hours, then how many times will 35 taps fill that tank?
626 0602e04daa503a25a4b89e148
602e04daa503a25a4b89e148- 18 hourtrue
- 26 hourfalse
- 314 hourfalse
- 410 hourfalse
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Answer : 1. "8 hour"
Q: If all three pipes are opened for 2 minutes to fill the tank each alternatively in the sequence of A then C and then B. Calculate water filled by pipes A is what % of water filled by pipe C?
1050 05fd35c3ec46a213fc5c5b347
5fd35c3ec46a213fc5c5b347- 172.5 %false
- 275 %true
- 377.5 %false
- 480 %false
- 582.5 %false
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Answer : 2. "75 %"
Q: Two pipe can fill a cistern in 3 hours and 4 hours respectively and a waste pipe can empty it in 2 hours. If all the three pipes are kept open, then the cistern will be filled in
636 05f63273cf894324f90f8aae4
5f63273cf894324f90f8aae4- 15 hoursfalse
- 28 hoursfalse
- 310 hoursfalse
- 412 hourstrue
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Answer : 4. "12 hours"
Q: Three pipes A, B and C can fill a cistern in 6 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 7 hours. The time taken by C alone to fill the cistern is_
737 05f59f50bdc518b408a3d1724
5f59f50bdc518b408a3d1724- 110 hoursfalse
- 212 hoursfalse
- 314 hourstrue
- 416 hoursfalse
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Answer : 3. "14 hours"
Q: A cistern can be filled by two pipes A and B in 4 hours and 6 hours respectively. When full, the tank can be emptied by a third pipe C in 8 hours. If all the taps be turned on at the same time, the cistern will be full in
892 05f4f5f9d82369c1d61194e47
5f4f5f9d82369c1d61194e47- 1$$ {2}{2\over 7}{\ hours}$$false
- 2$$ {3}{3\over 7}{\ hours}$$true
- 3$$ {4}{3\over 7}{\ hours}$$false
- 4$$ {2}{5\over 7}{\ hours}$$false
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Answer : 2. "$$ {3}{3\over 7}{\ hours}$$"
Q: Pipes A and B can fill a tank in 16 hours and 24 hours, respectively, and Pipe C alone can empty the full tank in x hours. All the pipes were opened together at 10:30 a.m, but C was closed at 2:30 p.m. If the tank was full at 8:30 p.m on the same day, then what is the value of x?
1681 15f40e1b2b8958f14fa2b5ee4
5f40e1b2b8958f14fa2b5ee4- 148false
- 296true
- 364false
- 445false
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Answer : 2. "96"
Q: A tap drips at a rate of one drop/sec. 600 drops make 100ml. The number of litres wasted in 300 days is:
1885 05f353bc1122f0b4ab91a369e
5f353bc1122f0b4ab91a369e- 143200 litresfalse
- 24320 litrestrue
- 34320000 litresfalse
- 4432000 litresfalse
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