Online Quantitative Aptitude Test On - Pipes and Cistern - Online Test Part - 4

Pipes and Cistern Online Test Part - 4

Exam Name - Quantitative Aptitude
Subject Name - Pipes and Cistern
Exam Type - Multiple Choice Questions
No Of Questions - 10

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Question - 1:Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together but after 4 minutes, pipe A is turned off. What is the total time required to fill the tank??

1. 10 min 20 sec
2. 11 min 45 sec
3. 12 min 30 sec
4. 14 min 40 sec

Show/Hide Answer

Answer = D - 14 min 40 sec
Explanation: No Explanation

Question - 2:A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is: ?

1. 6 hours
2. 10 hours
3. 15 hours
4. 30 hours

Show/Hide Answer

Answer = C - 15 hours
Explanation: No Explanation

Question - 3:Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled? ?

1. 2
2. 2.5
3. 3
4. 3.5

Show/Hide Answer

Answer = C - 3
Explanation: No Explanation

Question - 4:Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank? ?

1. 12 min
2. 15 min
3. 25 min
4. 50 min

Show/Hide Answer

Answer = A - 12 min
Explanation: No Explanation

Question - 5:Two pipes A and B can fill a tank in 15 hours and 20 hours respectively while a third pipe C can empty the full tank in 25 hours. All the three pipes are opened in the beginning. After 10 hours, C is closed. In how much time, will the tank be full? ?

1. 12 hrs
2. 13 hrs
3. 16 hrs
4. 18 hrs

Show/Hide Answer

Answer = A - 12 hrs
Explanation: No Explanation

Question - 6:Bucket P has thrice the capacity as bucket Q. It takes 60 turns for bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the empty drum??

1. 30
2. 40
3. 45
4. 90

Show/Hide Answer

Answer = C - 45
Explanation: No Explanation

Question - 7:Two pipes A and B can fill a cistern in 12 minutes and 15 minutes respectively but a third pipe C can empty the full tank in 6 minutes. A and B are kept open for 5 minutes in the beginning and then C is also opened. In what time is the cistern emptied ??

1. 30 min.
2. 33 min
3. 37 1/2
4. 45 min

Show/Hide Answer

Answer = D - 45 min
Explanation: No Explanation

Question - 8:Two pipes A and B can fill a tank in 6 hours and 4 hours respectively. If they are opened on alternate hours and if pipe A is opened first, how many hours, the tank shall be full? ?

1. 4
2. 5
3. 6
4. 7

Show/Hide Answer

Answer = B - 5
Explanation: No Explanation

Question - 9:One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in:?

1. 81 min.
2. 108 min.
3. 144 min.
4. 192 min.

Show/Hide Answer

Answer = C - 144 min.
Explanation: No Explanation

Question - 10:A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the third pipe. The time required by the first pipe is: ?

1. 6 hours
2. 10 hours
3. 15 hours
4. 30 hours

Show/Hide Answer

Answer = C - 15 hours
Explanation: No Explanation

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