Practice Pipes and cisterns Questions and Answers

• Vikas and Vishal can do a job in 7 days and 14 days respectively. They began the work together but 4 days before the completion of job, Vikas leaves the wo...
• Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be closed...
• A, B and C are three pipes connected to a tank. A and B together fill the tank in 30 hours, B and C together fill the tank in 40 hours. A and C together fi...
• Two pipes A and B can fill a tank in 15 hours and 25 hours respectively. If both the pipes are opened simultaneously, in how much time the tank will be fil...
• Two pipes can alone independently fill a bucket in 10 and 12 minutes. Both are opened together for 3 minutes after which the second pipe is turned off. Wha...
• A tank is filled by 3 pipes, second pipe take 5 hours more than first pipe and 5 hours less than third pipe to fill the tank alone. If second and third pip...
• A cistern has two pipes. One can fill it with water in 16 hours and other can empty it in 10 hours. In how many hours will the cistern be emptied if both ...
• In what time would a cistern be filled by three pipes whose diameter are 2cm, 2*2/3cm, 4cm running together, when the largest pipe alone fill the cistern i...
• There was the leakage in the Oil container. If 10 litre of oil is leaked out per day then it would have lasted for 25 days and if the leakage was 16 litre ...
• A Tank has two pipes one can fill it with water in 16 hours and other can empty it in 10 hours. In how many hours will the Tank be emptied if both the pipe...
• A leak in the bottom of the tank can empty the full tank in 18 hours. An inlet pipe fills water at the rate of 12 liters a minutes. When the tank is full, ...
• There was the leakage in the refined container. If 8 litre of refined is leaked out per day then it would have lasted for 20 days and if the leakage was 12...
• A cistern has two pipes one can fill it with water in 24 hours and other can empty it in 9 hours. In how many hours will the cistern be emptied if both the...
• Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time wil...
• Two pipes A and B can fill a tank in 12 min., and 16 min, respectively. If both the pipes are opened simultaneously, after how much time A should be closed...
• In what time would a Cistern be filled by three pipes whose diameter are 2cm, 2 2/3cm and 4cm running together, where the largest pipe alone fill it in 183...
• Two pipes P and Q can fill a tank in 48 minutes and 64 minutes respectively. If both the pipes are opened simultaneously, after how much time Q should be c...
• A tank can be filled by a tap in 10 minutes and by another tap in 30 minutes. Both the taps are kept open for 5 minutes and then the first tap is shut off....
• Tap P can fill the tank in 5 hours and Tap Q can empty it in 7(1/2) hours. Tap P starts filling and they opened for 1 hour each alternatively. In what time...
• A cistern has two pipes one can fill it with water in 16 hours and other can empty it in 10 hours. In how many hours will the cistern be emptied if both th...
• Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be closed...
• In what time would a Cistern be filled by three pipes whose diameter are 2cm, 8/3cm and 4cm running together, where the largest pipe alone fill it in 183 m...
• P, Q and R three pipes connected to a tank. P and Q together fill the tank in 30 hours, Q and R together fill the tank in 40 hours. P and R together fill t...
• Two pipes A and B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened simultaneously, after how much time B should be closed so...
• There was a leakage in the petrol tank. If 5litre of petrol is leaked out per day then it would have lasted for 30 days. If the leakage was 7litre per day,...
• Two pipes A and B can fill a tank in 12 min., and 16 min, respectively. If both the pipes are opened simultaneously, after how much time A should be closed...
• A bath can be filled by the cold water pipe in 20 hrs and by the hot water in 30 hrs. Mohit leaves the bathroom after turning on both pipes simultaneously ...
•   There are 16 taps which are fitted in a tank .In which some are inlet pipes and some are Outlet pipes .Each inlet tap has the efficiency to fill the tan...
• There was the leakage in the Oil tanker. If 20 litre of oil is leaked out per day then it would have lasted for 50 days and if the leakage was 32 litre per...
• The work done by a man, a woman and a child are in the ratio of 4 :3: 1. There are 15 men, 20 women and 30 children in a factory. Their weekly wages amount...
• Two pipes P1 and P2 can fill a cistern in 12 minutes and 15 minutes respectively. These pipes are opened alternately for 1 minute each, beginning with pipe...
• Two pipes can fill a tank in 12 and 10 minutes respectively. A waste pipe is used to empty the tank. All three pipes working together can fill the tank in ...
• Tap A can fill a tank in 20 hours and tap B can emptied it is 25 hours. Tap A starts filling and they opened for 1 hour each alternatively in what time wil...
• Two pipes A and B can fill a tank in 4 hours and 7 hours respectively & a waste pipe C can empty in 8 hours. If pipes A , B & C are opened at 7am ,...
• In a party a tank is filled with some quantities of juice. Three vessels of different volume are used to serve the juice. Volume of the smallest vessel is ...
• There are two pipes A & B, pipe A is for filling the swimming pool and pipe B is to empty the swimming pool. Capacity of swimming pool is 15120 m3 and volu...
• Pipe ‘A’ can fill 25% of a tank in 3 hours while pipe ‘B’ takes 30 hours to empty fully filled tank. Pipe ‘A’ is opened alone when the tank was...
• Pipe ‘A’ can fill 25% of a tank in 6 hours while pipe ‘B’ takes 40 hours to empty fully filled tank. Pipe ‘A’ is opened...
• Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 5 hours while pipe ‘C’ takes 30 hours to empty it. Pipe ‘A’ and pipe ‘B’ were...
• Pipe ‘A’ and pipe ‘B’, together can fill 32% of a tank in 8 hours while pipe ‘C’ takes 35 hours to empty it. Pipe &lsqu...