Pipe and Cistern Quiz for RRB PO & RRB Clerk: Quiz – 3

Pipe and Cistern Quiz for IBPS, SBI, RBI: Quiz – 3

Pipes and Cistern Questions are a common topic in the quantitative aptitude section of various competitive exams such as banking, SSC, Railway, Insurance, and others. The Pipes and Cisterns questions are similar to those found in the Time and Work section. In this article, we bring to you the Pipes and Cistern Quiz. This Pipes and Cistern Quiz contains questions that are based on the latest or current exam pattern. Candidates will be furnished with a detailed explanation for each question in this Pipes and Cistern Quiz. This Pipes and Cistern Quiz is absolutely free of cost. Candidates will find this Pipes and Cistern Quiz beneficial for their exam preparation.

  1. A, B, C are pipes attached into a cistern. A and B can fill it in 20 and 30 minutes respectively, while C can empty it in 15 minutes. If A, B and C be kept open successively for 1 minute each, how soon will the cistern be filled?

(a) 2 hr 44 min

(b) 2 hr 40 min

(c) 2 hr 47 min

(d) 2 hr 37 min

(e) None of these

Answer & Explanation

  1. A pump can fill a tank with water in 2 hours. Because of a leak in the tank it was taking 7/3 hours to fill the tank. The leak can drain all the water off the tank in:

(a) 8 hours

(b) 7 hours

(c)  hours

(d) 14 hours

(e) None of these

Answer & Explanation

  1. A tank is fitted with 8 pipes, some of which that fill the tank and others that empty the tank. Each of the pipes that fills the tank fills it in 8 hours, while each of those that empty the tank empties it in 6 hours. If all the pipes are kept open when the tank is full, it will take 6 hours to drain the tank. How many of these are fill pipes?

(a)     5

(b)     3

(c)     4

(d)     6

(e)     None of these

Answer & Explanation

  1. There are two taps i.e. tap A and tap B which can fill a bucket in 12 min. and 18 min. respectively. Both taps are opened simultaneously and tap B is closed after 6 min. Find the time in which tap A can fill the remaining bucket.

(a) 4 min.

(b) 3 min.

(c) 2 min.

(d) 6 min.

(e) 8 min.

Answer & Explanation

  1. A filling tap can fill a tank in 10 hour. Two equivalent filling tap and one outlet tap are open simultaneously then tank is filled in 15/2 hour. In how much time outlet tap can empty the tank.

(a) 10

(b) 15

(c) 20

(d) 12

(e) 16

Answer & Explanation

  1. 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 cistern will get filled?

(a) 7hrs

(b) 7.1 hrs

(c) 7.4 hrs

(d) 7.5 hrs

(e) 7.2 hrs

Answer & Explanation

  1. Two pipes A and B can fill a tank in 18 hours and 24 hours respectively, while a third pipe can empty the full tank in 30 hours. All three pipes are opened in the beginning. After 12 hours C is closed. Find the time in which the tank will be full.

(a) 18.3 hours

(b) 16.2 hours

(c) 17.3 hours

(d) 14.4 hours

(e) None of these

Answer & Explanation

  1. There are three Taps A, B and C in a tank. They can fill the tank in 10 hrs, 20 hrs and 25 hrs respectively. At first, all of them are opened simultaneously. Then after 2 hours, tap C is closed and A and B are kept running. After the 4th hour, tap B is also closed. The remaining work is done by Tap A alone. Find the percentage of the work done by Tap A by itself.

(a) 32%

(b) 52%

(c) 75%

(d) 72%

(e) None of these

Answer & Explanation

  1. Eight taps are connected to a water tank. Some of them are inlet and some are outlet. Each inlet can fill in 12 hours while each outlet can empty in 36 hours. On opening all taps, tank is filled in 3 hours. Find the number of inlet water taps.

(a)  4

(b) 5

(c)  6

(d) 7

(e) None of the above

Answer & Explanation

  1. Two pipes A and B can separately fill a cistern in ten minutes and 15 minutes respectively. A person Opened both the pipes together to fill the tank but found after due time that the exhaust pipe was open and the tank could hence not be filled. So he closed the exhaust pipe. Hence after 4 minutes, the tank become full. In what time will the exhaust pipe empty the full tank?

(a)10 min

(b)6 min

(c)8 min

(d)9 min

(e)None of the above

Answer & Explanation

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