## Pipes and Cisterns Questions with Answers PDF Download Pipe and Cistern Aptitude problem

### Quantitative Aptitude Pipes and Cisterns Problems With Solutions:

Q1: A tank is filled by three pipes with uniform flow. The first two pieces operating to fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank five hours faster than the first pipe and four hours slower than the third pipe, The time required by the 1st pipe is?

(a) 15 hours

(b) 18 hours

(c) 21 hours

(d) 17 hours

Q2: One pipe can fill the pot three times as fast as another pipe. If together the two pipes can fill the pot in 36 minutes, then the slower pipe alone will be able to fill the pot in?

(a) 156 minutes

(b) 160 minutes

(c) 144 minutes

(d) 120 minutes

Q3: Two pipes P and Q can fill a tank in 15 hrs and 20 hrs respectively while a third pipe R can empty the full tank in 25 hrs. All the three pipes are opened in the beginning. After 10 hrs, R is closed. In how much time, the tank will full?

(a) 15 hrs

(b) 12 hrs

(c) 14 hrs

(d) 11 hrs

Q4: Two taps P and Q can fill a tank in five hours and 20 hours. if both the taps are opened then due to a breakage, 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?

(a) 36 hrs

(b) 23 hrs

(c) 35 hrs

(d) 40 hrs

Q5: If two pipes function simultaneously the reservoir will be filled in 12 hours, one pipe fills the reservoir 10 hours faster than the other. How many hours it takes the second pipe to fill the reservoir?

(a) 25 hrs

(b) 35 hrs

(c) 23 hrs

(d) 30 hrs

Q6: An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out of all the water of the tank in?

(a) 23 hours

(b) 30 hours

(c) 21 hours

(d) 33 hours

Q7: Two pipes can fill a tank in 10 hours and 12 hours resp. while third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time the tank will be filled?

(a) 7 hours 45 minutes

(b) 8 hours 35 minutes

(c) 7 hours 30 minutes

(d) 6 hours 55 minutes

Q8: To fill a cistern, pipes A, B and C take 20 minutes, 15 minute and 12 minutes respectively. The time in minutes that the three pipes together will take to fill the cistern is

(a) 10 minutes

(b) 6 minutes

(c) 8 minutes

(d) 5 minutes

Q9: A tank can be filled by a tap in 20 minutes and by another tap in 60 mintues. Both taps are kept open for 10 mintues and then the first tap is shut off. After this, the tank will be completely filled in?

(a) 20 minutes

(b) 15 minutes

(c) 30 minutes

(d) 10 minutes

Q10: 12 buckets of water fill a taken when the capacity of each bucked is 13.5 liter. How many buckets will be needed to fill the same tank, if the capacity of each bucket is 9 liters?

(a) 20

(b) 23

(c) 18

(d) 15

**Answers:**

**Q1: (a)**

**Q2: (c)**

**Q3: (b)**

**Q4: (a)**

**Q5: (d)**

**Q6: (c)**

**Q7: (b)**

**Q8: (d)**

**Q9: (a)**

**Q10:(c)**

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