Quantitative Aptitude Questions On - Pipes and Cistern - Online Test Part - 3

Pipes and Cistern Online Test Part - 3

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

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Question - 1: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 hrs
2. 10 hrs
3. 15 hrs
4. 30 hrs

Show/Hide Answer

Answer = C - 15 hrs
Explanation: No Explanation

Question - 2:Two pipes A and B fill a tank in 15 hurs 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 - 3:A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely? ?

1. 3 hrs 15 min
2. 3 hrs 45 min
3. 4 hrs
4. 4 hrs 15 min

Show/Hide Answer

Answer = B - 3 hrs 45 min
Explanation: No Explanation

Question - 4:Two pipes A and B can fill a cistern in 75/2 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. 15 min.

Show/Hide Answer

Answer = B - 9 min.
Explanation: No Explanation

Question - 5: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. 6 hours
4. 8 hours

Show/Hide Answer

Answer = C - 6 hours
Explanation: No Explanation

Question - 6:A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely??

1. 6 min. to empty
2. 6 min. to fill
3. 9 min. to empty
4. 9 min. to fill

Show/Hide Answer

Answer = A - 6 min. to empty
Explanation: No Explanation

Question - 7: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 - 8: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. 12
3. 14
4. 16

Show/Hide Answer

Answer = C - 14
Explanation: No Explanation

Question - 9:A leak in the bottom of a tank can empty the full tank in 8 hours. An inlet pipe fills water at the rate of 6 liters a minute. When the tank is full, the inlet is opened and due to the leak, the tank is empty in 12 hours. How many liters does the cistern hold? ?

1. 7580
2. 7960
3. 8290
4. 8640

Show/Hide Answer

Answer = D - 8640
Explanation: No Explanation

Question - 10:One pipe ca 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

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