# Download Pipes and Cistern Aptitude Questions And Answers PDF

Pipes and Cistern Aptitude Questions. Yes, the questions which are not there to test your knowledge but examiner ask this kind of questions to check your general ability. With this, he wants to examine your presence of mind. So, go through these questions with the concentrated mind. Here, we are providing the most probable questions which have chances to appear in the exam. Have a look.

## Pipes and Cistern Aptitude Questions

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. 20 hours
5. Answer is: 15 hours

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

1. 5/11
2. 7/11
3. 6/11
4. 8/11
5. Answer is: 6/11

Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

1. 39/17 hours
2. 5/6 hours
3. 20/3 hours
4. 9/6 hours
5. Answer is: 39/17

Two pipes A and B can fill a cistern in 37 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the B is turned off after:

1. 5 min
2. 9 min
3. 10 min
4. 12 min
5. Answer is: 9 min

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. 14 min. 40 sec.
2. 11 min. 45 sec.
3. 10 min. 20 sec.
4. 12 min. 30 sec.
5. Answer is: 14 min. 40 sec.

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

***
1. 1 hour
2. 2 hours
3. 4 hours
4. 6 hours
5. Answer is: 6 hours

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 hours to fill the tank. The leak can drain all the water of the tank in:

1. 14 hours
2. 2 hours
3. 30 hours
4. 7 hours
5. Answer is: 14 hours

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. 25 min
2. 12 min
3. 50 min
4. 15 min
5. Answer is: 12 min

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is:

1. 120 gallons
2. 100 gallons
3. 60 gallons
4. 180 gallons
5. Answer is: 120 gallons

Three pipes A, B and C can fill a tank 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 number of hours taken by C alone to fill the tank is

1. 10
2. 14
3. 12
4. 16
5. Answer is: 14

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. 108 min
2. 110 min
3. 102 min
4. 144 min
5. Answer is: 144 min

Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in:

1. 8 hours
2. 7 hours
3. 7 1/2 hours
4. 8 hours
5. Answer is: 7 hours

Well ! Dear aspirants ! Practice these questions and i must say that half of your preparations will be completed.

Practice this too : Download Logarithm Aptitude Questions And Answers PDF

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