Pipes and Cistern - Aptitude Questions and Answers - Online Test Part 1

Pipes and Cistern Online Test Part - 1

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

---

Question - 1:Two pipes A and B can separately fill a cistern in 60 minutes and 75 minutes respectively. Three is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened, then the cistern is full in 50 minutes. In how much time, the third pipe alone can empty the cistern??

1. 90 min
2. 100 min
3. 110 min
4. 120 min

Show/Hide Answer

Answer = B - 100 min
Explanation: No Explanation

Question - 2: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. 6/11
3. 7/11
4. 8/11

Show/Hide Answer

Answer = B - 6/11
Explanation: No Explanation

Question - 3:A pump can fill a tank with water in 2 hours. Because of a leak, it took 7/3 hours to fill tank.
The leak can drain all the water of the tank in:?

1. 5 hrs
2. 7 hrs
3. 8 hrs
4. 14 hrs

Show/Hide Answer

Answer = D - 14 hrs
Explanation: No Explanation

Question - 4: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. 60 gallons
2. 100 gallons
3. 120 gallons
4. 180 gallons

Show/Hide Answer

Answer = C - 120 gallons
Explanation: No Explanation

Question - 5: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 solution R in the liquid in the tank after 3 minutes? ?

1. 5
2. 6/11
3. 9
4. 11

Show/Hide Answer

Answer = B - 6/11
Explanation: No Explanation

Question - 6:A tank is filled in 5 hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A alone take to fill the tank??

1. 20 hours
2. 25 hours
3. 35 hours
4. Cannot be determined

Show/Hide Answer

Answer = C - 35 hours
Explanation: No Explanation

Question - 7:Two taps A and B can fill a tank in 5 hours and 20 hours respectively. If both the taps are open then due to a leakage, it took 30 minutes more to fill the tank. If the tank is full, how long will it take for the leakage alone to empty the tank? ?

1. 8 hrs
2. 9 hrs
3. 18 hrs
4. 36 hrs

Show/Hide Answer

Answer = D - 36 hrs
Explanation: No Explanation

Question - 8: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? ?

1. 4.5 hrs
2. 5 hrs
3. 7.2 hrs
4. 6.5 hrs

Show/Hide Answer

Answer = C - 7.2 hrs
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. 144 min.
3. 108 min.
4. 192 min.

Show/Hide Answer

Answer = B - 144 min.
Explanation: No Explanation

Question - 10: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

Comment Via Facebook