Pipes And Cistern Question No. 1 to 10 of RS Aggarwal Objective Arithmetic Book | With Concept

Описание: Hello friends today in this video I have shown you how to solve Pipes and Cistern math from RS Aggarwal Objective Arithmetic book in Bengali.

1. In 1 minute 3/7 of a bucket is filled. The rest of the bucket can be filled in (Railways, 2006)


(a) 2 minutes

(b) 4/3 minutes

(c) 7/3 minutes

(d) None of these



2. Two pipes can fill a tank in 20 minutes and 30 minutes respectively. If both the pipes are opened simultaneously, then the tank will be filled in (S.S.C. 2003)


(a) 10 minutes

(b) 12 minutes

(c) 15 minutes

(d) 25 minutes


3. A tap can fill a cistern in 8 hours and another tap can empty it in 16 hours. If both the taps are open, the time taken to fill the tank will be (S.S.C. 2003)


(a) 8 hours

(b) 10 hours

(c) 16 hours

(d) 24 hours



4. A pump can fill a tank with water in 2 hours. Because of a leak in the tank, it takes 2 1/3 hours to fill the tank. The leak can empty the filled tank in (Railways, 2006)


(a) 2⅓ hours

(b) 7 hours

(c) 8 hours

(d) 14 hours


5. A pipe can fill a tank in x hours and another pipe can empty it in y (y greater than x) hours. If both the pipes are open, in how many hours will the tank be filled? (S.S.C. 2007)


(a) (x - y) hours

(b) (y - x) hours

(c) xy/(x - y) hours

(d) xy/(y - x) hours



6. A tank can be filled by a tap in 20 minutes and by another tap in 60 minutes. Both the taps are kept open for 10 minutes and then the first tap is shut off. After this, the tank will be completely filled in (Management Exam, 2006)


(a) 10 minutes

(b) 12 minutes

(c) 15 minutes

(d) 20 minutes



7. Pipes A and B can fill a tank in 20 hours and 30 hours respectively and pipe C can empty the full tank in 40 hours. If all the pipes are opened together, how much time will be needed to make the tank full?


(a) 10 2/7 hours

(b) 12 4/5hours

(c) 17 1/7 hours

(d) 19 1/4 hours


8. A cistern has two pipes. One can fill it with water in 8 hours and the other can empty it in 5 hours. In how many hours will the cistern be emptied if both the pipes are opened together when 3/5 of the cistern is already full of water? (S.S.C. 2008)


(a) 3 1/3 hours

(b) 6 hours

(c) 10 hours

(d) 13 1/3 hours


9. A pipe can empty a tank in 40 minutes. A second pipe with diameter twice as much as that of the first is also attached with the tank to empty it. The two together can empty the tank in (S.S.C. 2005)


(a) 8 min

(b) 13 1/3 min

(c) 30 min

(d) 38 min


10. Two pipes A and B can fill a tank in 15 minutes and 20 minutes respectively. Both the pipes are opened together. But after 4 minutes, pipe A is turned off. What is the total time required to fill the tank? (U.P.S.C. 2002)


(a) 10 min 30 sec

(b) 11 min 45 sec

(c) 12 min 30 sec

(d) 14 min 40 sec