A hole in a tank can empty the tank in 5 hours so the owner upgraded the pipe, now the new pipe can fill the tank in 3 hours only. How many hours extra would it take to fill the tank compared to when the tank has no hole?

A pipe can fill a cistern in 20 minutes, but an outlet can empty it in 28 minutes. When both the pipes are opened, at what time is the cistern filled?

Three pipes P, Q and R can fill a cistern in 40 minutes, 80 minutes and 120 minutes, respectively. Initially, all the pipes are opened. After how much time (in minutes) should the pipes Q and R be turned off so that the cistern will be completely filled in just half an hour?

Three pipes A, B, and C together can fill an empty cistern in 12 min. Pipe A alone can fill it in 36 min and pipe B alone can fill it in 42 min. How long will it take for C to fill the cistern alone?

Three pipes A, B and C can fill a tank in 270 hours. After working together for 90 hours C is turned off and then A and B fill the remaining part in 270 hours. Find the number of hours taken by C to fill the tank.

Pipe A can fill an empty cistern in 6 hours and pipe B can fill the same empty cistern in 8 hours. Both the pipes are opened simultaneously but after two hours, pipe A is closed. How many hours will B take to fill the remaining part of the cistern?

Ayush can fill a tank in 15 minutes while his friend Shraddha can fill the same tank in 4 minutes. If they worked with Arya who can fill 1/60th tank per minute, then find the time taken by all three to fill the tank.

Three pipes A, B & C takes 12.5 hr, 37.5 hr and 50 hr respectively to fill a tank. In how much time will they together take to fill the tank?

Two inlet pipes fill 2/5 of the tank in an hour. There is also an outlet pipe that empties 3/10 of the tank in an hour. If all the pipes are opened simultaneously at 8:00 a.m. then, find the time taken by the pipes to fill the tank.

In a tank, there are 3 pipes attached. There are two inlet pipes A and B, while C is an outlet pipe. It takes 4 hours for pipe A to fill the tank alone while pipe B takes 50% more time than A to do the same. Pipe C can empty the tank alone in 3 hours. If the tank is half full and all three pipes are working together, how much time it will take to fill the tank?

Two pipes can fill a cistern in 12 hours and 15 hours respectively. The pipes are opened simultaneously and it is found that due to a leakage, it took 20 minutes more to fill the tank. In how much time will the leakage, empty the full tank?

Pipe P can fill a tank in 25 minutes and pipe Q can fill the tank in 30 minutes how much time it required(in minutes) to fill the tank if both pipes are working together?

Three pipes P, Q, and R are connected to tyre to fill it with air. They can fill the tyre in 18 minutes, 12 minutes, and 20 minutes. Also, a pipe S is connected, which can completely empty the tyre in 6 minutes.

I. The Time taken by all four pipes to fill the tyre will be 45 minutes

II. The time taken by pipes P, Q, and S to empty 50% of the tank will be 15 minutes

III. If the efficiency of all the pipes gets half of their original units and the capacity of the tyre is increased by 20% then the time taken by all four pipes to fill the tyre completely. will be 1 hour and 48 minutes.

If Pipes A and B can fill a tank in 15 min and 20 mins respectively and pipe C empties the tank in 12 mins. what will be the time taken by A, B and C together to fill the tank completely?

Two pipes can fill a tank in 10 hours and 16 hours respectively. A third pipe can empty the tank in 32 hours. If all the three pipes are opened simultaneously then in how much time the tank will be full? (in hours)

A cistern has a leak which would empty it in 10 hours. A tap is turned on which fills the cistern at 10 liters per hour and then it is emptied in 15 hours. What is the capacity of the cistern?

Two taps A and B can fill a tank in 10 hours and 15 hours respectively. If both the taps are open then due to a leakage, it took 40 minutes more to fill the tank. If the tank is full, how long will it take for the leakage alone to empty the tank?

There are two taps A and B in a tank. They can fill the tank in 8 min and 12 min respectively. If both taps are opened together and tap B works with half efficiency, then find time in which the tank will be filled completely.

A and B two pipes are attached with a cistern. A can empty the full cistern in 126 minutes and B can fill the empty cistern in 1 hour. If both tap are opened for empty cistern at 8 pm, then what time clock says at the time of full.

Pipes P can fill the tank in 40 hours and pipe Q can empty the tank 120 hours. If pipe Q is situated in the middle of the tank. Find the total time taken to fill the tank.

Two pipes A and B can fill a cistern in 15 hours and 12 hours respectively. Both pipes when opened simultaneously, due to a leakage in the cistern take 20 min extra to fill it. Find the time taken by the leakage to empty the full cistern alone.

There are 3 pipes A, B and C in a tank. Inlet pipes A and B together can fill the tank in 15 minutes while outlet pipe C can empty the full tank in 25 minutes. An outlet pipe D is also added to the tank. Now if all the pipes are opened together, the tank gets full in 50 minutes. Find the time in which pipe D alone can empty the full tank.

Two inlet pipes fill 2/5 of the tank in an hour. There is also an outlet pipe that empties 3/10 of the tank in an hour. If all the pipes are opened simultaneously at 8:00 a.m. then, find the time taken by the pipes to fill the tank.

In how much time, the tank A can be filled completely by pipe?

Statement I: Tank A’s Capacity is 50% more than the capacity of Tank B. There is a hole in tank A which can dry it in 25 hours.

Statement II: Pipe can fill Tank B in 15 hours

Each of the questions below consists of a question and two/three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and give answer:

Three pipes P, Q, and R are used to fill a tank where P and Q are inlets while R is an outlet. Find the time taken by the outlet pipe alone to empty the tank completely.

Statement I: The time taken by all three pipes together to fill that tank is 24 minutes.

Statement II: Pipe Q is half as efficient as pipe P.

Statement III: The time taken by pipes P and R together to fill the tank is 72 minutes.

An electric pump can fill a tank in 4 hours. Due to a leak in the tank, it takes \(9\frac{1}{3}\) hours to fill the tank. If during this period no water enters or leaves the tank from any other point, then in how much time will the leak empty the entire tank?

Pipe A can fill a tank in 130 hours, Pipe B can fill the same tank in 156 hours, and Pipe C can fill the same tank in 195 hours. If all three pipes are open together for the first 26 hours, and then pipe B is closed. In how many hours will the remaining part of the tank be filled by Pipe A and Pipe C?

Direction: ​​​​​​The following question is accompanied by two statements S1 and S2. You have to determine which statement is/are sufficient to answer the question.

What is the time taken by pipe M to fill the tank?

I - The tank M and N can together fill half of the tank in 4 hours and 48 minutes.

II - Pipe M can fill the tank with pipe O which can empty the tank in 8 hours.

Pipes A and B can fill a tank in 15 hours and 25 hours, respectively, whereas pipe C can empty the full tank in 40 hours. All three pipes are opened together, but pipe A is closed after 5 hours. After how many hours will the remaining part of the tank be filled?

Two pipes A and B can fill a tank in 48 minutes and 66 minutes, respectively. If both the pipes are opened simultaneously, then after how many minutes should pipe B be closed so that the tank gets filled in 32 minutes?

Pipes P and Q can fill a water tank in 10 hours and 15 hours, respectively. A pipe R can empty a tank filled with water in 12 hours. Initially, the tank is empty and only pipes P and Q are opened at 6 a.m. and pipe R is also opened at 9 a.m. By what time will the tank be filled?

Pipe 'R' and pipe 'S' can fill a tank in 18 hours and 12 hours respectively. If both the pipes are opened at 10 am, then at what time exactly half of the tank will be filled?

Two taps A and B can fill a tank in 32 minutes and 40 minutes, respectively, while a third drain pipe C can empty it in 48 minutes. The taps are opened together, but being jammed, the first tap has 4/5th of water flowing, and through the second tap, only 5/6 of the full quantity of the water flows, and the drain pipe works with 90% of its efficiency. After some time, the whole problem is removed, then the cistern takes overall 36 minutes to be filled completely, and how long the problem remained.

A tyre has two punctures. The first puncture alone would have made the tyre flat in 45 minutes, and the second puncture alone would have done it in 36 minutes. If air leaks out at a constant rate, then how long (in minutes) does it take for both punctures together to make the tyre flat?

There are 17 pipes connected to a tank. Some are inlets and others are outlets. Each inlet pipe can fill the cistern in 24 minutes, whereas each outlet pipe can empty the cistern in 30 minutes. If all pipes are open together, an empty tank will be full in 30 minutes. Find the number of inlet pipes.

Three pipes P, Q, and R are used to fill a tank where P and Q are inlets while R is an outlet. Find the time taken by the outlet pipe alone to empty the tank completely.

Statement I: The time taken by all three pipes together to fill that tank is 24 minutes.

Statement II: Pipe Q is half as efficient as pipe P.

Statement III: The time taken by pipes P and R together to fill the tank is 72 minutes.

There are three taps of diameters 2 cm, 3 cm, and 4 cm, respectively. The ratio of the water flowing through them is equal to the ratio of the square of their diameters. The biggest tap can fill an empty tank alone in 81 minutes. If all the taps are opened simultaneously, then how long will the tank take (in minutes) to be filled? 

Each of the questions below consists of a question and two/three statements numbered I, II and III given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read all the statements and give answer:

Three pipes P, Q, and R are used to fill a tank where P and Q are inlets while R is an outlet. Find the time taken by the outlet pipe alone to empty the tank completely.

Statement I: The time taken by all three pipes together to fill that tank is 24 minutes.

Statement II: Pipe Q is half as efficient as pipe P.

Statement III: The time taken by pipes P and R together to fill the tank is 72 minutes.

Two pipes A and B can fill an empty tank in 42 hours and 28 hours respectively while a third pipe C can empty the full tank in 49 hours. If pipes A & C together and pipes B & C together work alternatively starting with A & C together then find the total time required to fill the empty tank.

A cistern can be filled by two pipes in 8 minutes and 10 minutes, separately. Both the pipes are opened together for a certain time, but due to an obstruction, only 5/8 of the full quantity of water flowed through the former pipe and 3/5 through the latter pipe. However, the obstruction was suddenly removed, and the cistern was filled in 3 minutes from that moment. How long did it take before the full flow began?

Direction: ​​​​​​The following question is accompanied by two statements S1 and S2. You have to determine which statement is/are sufficient to answer the question.

What is the time taken by pipe M to fill the tank?

I - The tank M and N can together fill half of the tank in 4 hours and 48 minutes.

II - Pipe M can fill the tank with pipe O which can empty the tank in 8 hours.

Pipes P and Q can fill a water tank in 10 hours and 15 hours, respectively. A pipe R can empty a tank filled with water in 12 hours. Initially, the tank is empty and only pipes P and Q are opened at 6 a.m. and pipe R is also opened at 9 a.m. By what time will the tank be filled?

Pipes A and B can fill a tank in 15 hours and 25 hours, respectively, whereas pipe C can empty the full tank in 40 hours. All three pipes are opened together, but pipe A is closed after 5 hours. After how many hours will the remaining part of the tank be filled?

Three pipes A, B, and C together can fill an empty cistern in 12 min. Pipe A alone can fill it in 36 min and pipe B alone can fill it in 42 min. How long will it take for C to fill the cistern alone?

Pipes A and B can fill a tank in 20 minutes and 60 minutes respectively. Pipe C can empty the tank in 75 minutes. Now pipes A and B are opened together for 5 minutes and closed. For how much time (in minutes) should C be opened so that the tank is emptied again?

A tank can be filled by pipe A in 4 hours and pipe B in 6 hours. At 8:00 a.m., pipe A was opened. At what time will the tank be filled if pipe B is opened at 9:00 a.m.?

An inlet pipe can fill an empty tank in 51 hours while an outlet pipe drains a completely-filled tank in 76.5 hours. If both the pipes are opened simultaneously when the tank is empty, in how many hours will the tank get completely filled?

Pipes A and B can empty a full tank in 15 hours and 18 hours, respectively. Pipe C alone can fill the tank in 6 hours. If all three pipes are opened together, then two-thirds of the tank will be full after:

Two inlet pipes can fill an empty tank in 21 and 24 hours and one outlet pipe can empty the tank in 42 hours. If all the pipes opened simultaneously then, how many hours are required to fill the full tank?

When operated separately, pipe A takes 5 hours less than pipe B to fill a cistern, and when both pipes are operated together, the cistern gets filled in 6 hours. In how much time ( in hours) will pipe B fill the cistern, if operated separately?