Pipe and Cistern (SSC)

Total Questions: 50

11. Pipe A can fill an empty tank in 30 hours and B can fill it in 10 hours. Due to a leakage in the tank, it takes pipes A and B together 1.5 hours more to fill it completely that it would have otherwise taken. What is the time taken by the leakage alone to empty the same tank completely, starting when the tank is completely full ? [SSC MTS 22/07/2022 (Evening)]

Correct Answer: (d) 45 hr
Solution:

12. A tank is to be filled completely with water for which 8 pipes of the same kind are used. The tank gets filled in 1 hour and 40 minutes. If 10 pipes of the same kind, as mentioned above are used, in how much time (in hours and minutes) will the tank be completely filled? [SSC MTS 22/10/2021(Morning)]

Correct Answer: (b) 1 hour 20 minutes
Solution:

13. There are two water taps in a tank which can fill the empty tank in 12 hours and 18 hours respectively. It is seen that there is a leakage point at the bottom of the tank which can empty the completely filled tank in 36 hours. If both the water taps are opened at the same time to fill the empty tank and the leakage point was repaired after 1 hour, then in how much time the empty tank will be completely filled? [SSC CGL 17/08/2021(Afternoon)]

Correct Answer: (d) 7 hours 24 min
Solution:

14. Two pipes A and B can fill a cistern in 12½ hours and 25 hours, respectively. The pipes are opened simultaneously and it is found that due to a leakage at the bottom, It took 1 hour and 40 minutes more to fill the cistern. When the cistern is full, in how much time (in hrs) will the leak empty the cistern? [SSC CPO 25/11/2020(Evening)]

Correct Answer: (d) 50
Solution:

15. Pipe A and B fill a tank in 43.2 minutes and 108 minutes, respectively, Pipe C can empty it at 3 litres per minute. When all the three pipes are opened together, they will fill the tank in 54 minutes. The capacity (in litres) of the tank is : [SSC CGL Tier II (15/11/2020)]

Correct Answer: (c) 216
Solution:

16. Pipe A can fill a tank of capacity 350 liters in 3½ minutes. Pipe B can fill a tank of capacity 780 litres in 8⅔ minutes. What time (in min) will it take to fill a tank of capacity 1615 litres when both pipes are opened together? [SSC CPO 13/12/2019(Evening)]

Correct Answer: (b)
Solution:

17. Pipes A and B can empty a full tank in 18 hours and 24 hours, respectively. Pipe C alone can fill the tank in 36 hours. If the tank is 5/6 full and all the three pipes are opened together, then in how many hours will the tank be emptied? [SSC CPO 13/12/2019(Morning)]

Correct Answer: (d) 12
Solution:

18. A tank is filled in 4 hours by three pipes A,B and C. The pipe is twice as fast as B and pipe B is thrice as fast as A. How much time (in hrs) will pipe A alone take to fill the tank ? [SSC CPO 12/12/2019 (Evening)]

Correct Answer: (b) 40
Solution:


19. Pipes A and B are emptying pipes and can empty a tank in 6 hours and 16 hours respectively. C is a filling pipe. All the three pipes were opened together. They took 80 minutes to empty 5/18 th of the tank. Pipe C alone can fill the tank in: [SSC CPO 12/12/2019 (Morning)]

Correct Answer: (c) 48 hours
Solution:

20. Pipes A and B together can fill an empty tank in 6⅔ minutes. If A takes 3 minutes more than B to fill the tank, then the time (in minutes) in which A alone would fill one-third part of the tank is ? [SSC CPO 11/12/2019 (Evening)]

Correct Answer: (a) 5
Solution: