An electric pump can fill a tank in 4 hours. Because of a leak in the tank, it took 5 hours to fill the tank. If the tank is full, how much time will the leak take to empty the tank?

Two pipes A and B can fill the tank in 24 minutes and 32 minutes respectively. Both pipes are opened together simultaneously. After how much time B should be closed so that A can alone fill the remaining tank in 17 minutes?

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.

Two pipes P and Q alone can fill an empty tank in ‘x’ and ‘2x’ hours respectively. Pipe R alone can empty the full tank in 4x hours. If pipes P, Q and R together can fill the empty tank in 16 hours then find the time taken by pipes Q and R together to fill the empty tank.

Three men M, N, and, O can fill the well in 12, 21, and 15 hours respectively

I. The Time taken by N and O to fill the well is 8.75 hours.

II. The time taken by M to fill half the well with 1/5th of his efficiency is 30 hours

III. The time taken by all three to fill the well is 5 hours approx.

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?

One pipe can fill a tank five times as fast as another pipe. If together the two pipes can fill the tank in 45 minutes, then the slower pipe alone will be able to fill the tank in:

A cistern can be filled by two supply pipes P and Q in 20 mins and x mins respectively. If pipe P is working with 2/3^rd of its efficiency and pipe Q is working with half of its efficiency then the cistern gets full in 20 mins, find the value of x.

Three pipes A, B, and C can fill a tank in 8 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 9 hours. The number of hours taken by C alone to fill the tank is:

In a tank there is one inlet pipe and two leaks one at the bottom of the tank and other is at one – third of the height of the tank from the bottom. Inlet can fill the tank in 5 minutes while the leak at the bottom can empty the tank in 30 minutes. If the efficiencies of both leaks is same, then what is the time taken to fill the tank completely when both the leaks are also working?

Two pipes A and B can fill a tank in 10 minutes and 15 minutes respectively. Both the pipes are opened together but after 5 minutes, pipe A is turned off. What is the total time required to fill the tank?

A tank is filled in 12 hours if three taps are opened together. One of the taps can fill the tank in 10 hours and another one in 15 hours. How does the third tap works and how much time will it take?

The ratio of efficiencies of 2 inlet pipes P and Q is 11 : 8. Pipe P with an outlet pipe R can fill the tank in 16 hours while Pipe Q with outlet pipe R can fill the tank in 35.2 hours. Find the time in which P and Q together can fill the tank.

Two pipes A and B can fill a tank in 25  minutes and 50 minutes respectively. A water pipe C can empty the tank in 20minutes. First A and B are opened. After 10 minutes, C is also opened. In how much time, the tank will full?

If one pipe A can fill a tank in 40 minutes, then 4 pipes, each of 20% efficiency of A, can fill the tank in:

A tank can be filled by pipe A in 18 hours but there is a small hole which can empty the whole tank is 72 hours. But after 12 hours leakage is fixed find the time required to fill the whole tank.

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.

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?

Three pipes can fill a tank in 3 hours, 4 hours, and 6 hours. However, there is a leak in the tank at a height of 1/3 of the tank from the bottom which can drain the rest of the tank in 9 hours. What will be the time taken to fill the tank?

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 water tank is three-fifth full. Pipe A can fill a tank in 15 minutes and pipe B can empty it in 8 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely?

There are two taps A and B in a tank, which can fill it in 12 mins and 8 mins respectively. If tap A starts to fill the tank for 2 mins and then tap B is also opened, then find the total time taken by both the taps to fill the tank.

Two pipes A and B fill a tank in 4 hours and 5 hours respectively. Both the pipes were filling the tank when after 60 minutes pipe A had some problem and was closed. How much time did it take to fill the tank completely?

Tanks A and B have two outlet pipes. They can empty the tank in 10 minutes and 15 minutes respectively. When the tank is full, both outlet pipes open simultaneously. After some time, it was found that another outlet pipe C was also open. Due to this, it took 4 minutes more to fill the tank. In how many minutes can pipe C empty the tank?

3 inlet pipes A, B, and C can fill a tank in 40 min, 10 min, and 12 min respectively while 2 outlet pipes X and Y can empty the completely filled tank in 30 min and 24 minutes respectively. Pipes B and X were opened and they were closed after 10 minutes. Pipes A, C, and Y are then opened then how much time the remaining tank will get filled?

A tank can be filled by two tap P and Q individually in 12 and 15 hours respectively. In how uch time it can be filled if both tap are opened together.

Pipe A can fill a cistern in 10 hours while pipe B alone can fill the empty cistern in 20 hoursand pipr C can empty the cistern in 30 hours. If all the three pipes are opened together, how much time it will take to completely fill the cistern?

A can fill the tank in 12 minutes, B in 15 minutes and C empties it in 6 minutes. A and B are opened for 5 minutes, then C is also opened. After how much time does the tank become empty?

A pipe can fill a tank in 15 minutes and another in 20 minutes. A third pipe can empty the tank in 10 minutes. The first two pipes are kept open for 4 minutes in the beginning and after that third pipe is also opened. What is the time in which the tank will be filled after pipe C is opened?

One filler pipe A is 4 times more efficient than the second filler pipe B. Pipe A takes 9 minutes less time to fill a tank than B takes. Find when the tank will be filled if pipe B is only opened.

Two pipes A and B can fill a tank in 12 hours and 18 hours respectively. If they reopened on alternate hours and if pipe A is opened first, in how many hours, the tank shall be full?

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 pipes X and Y can fill an empty cistern at a rate of 50 m³/min and 60 m³/min respectively. Both pipes work for 6 min. together and then pipe X is get closed. In how much time the remaining part of cistern will be filled by pipe Y if capacity of cistern is 1260 m³?

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?

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 pipe can fill a cistern in 8 hours. It is filled in 9 hours due to a leakage in the bottom of the cistern. Once when the cistern is full, in how much time it will be emptied by the leak?

A large tanker can be filled by two pipes A and B in 45 minutes and 30 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?

The two taps A and B can fill the tank alone in 5 hours and 10 hours respectively. However, there is a hole in the tank at 25% above the height of the tank from the bottom. If that hole had been at the bottom, it could have emptied the tank in 4 hours. How much time it would take to fill the tank completely?

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?

Two pipes A and B together can fill a cistern in 5 hours. Had they been opened separately, then B would have taken 8 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately? (Take √41 = 6.4)

Two pipes A and b can fill a tank in 45 hours and 54 hours respectively. If both pipes are opened simultaneously, how much time will be taken to fill the tank?

A red pipe can fill a tank in 20 hours while the blue pipe can empty the same tank in 25 hours. The tank was half-filled when the red pipe was opened. Find the number of blue pipes that need to be opened after 1 hour of opening the red pipe if the tank has to be emptied in 1 more hour.

Three pipes A, B, C can fill an empty cistern in 2, 4, 8 hours respectively. The pipe C is closed 4 hours before the cistern was full. In what time will the cistern be full?

A cistern has two taps which fill it in 8 minutes and 12 minutes respectively. There is also a waste pipe in the cistern. When all three pipes are opened simultaneously, the cistern is filled in 16 minutes. How long will the waste pipe take to empty the full cistern?

3 pipes P, Q and R together fill a tank in 10 hours. If the ratio of efficiencies of P and Q is 5 : 7 and P and Q together take 35/3 hours to fill the tank then find the time in which R will fill the tank alone.

There are two outlet pipes connected to a tank which can empty the tank in 2 hours and 3 hours respectively. There is an inlet pipe connected to the tank, which can fill it in 6 hours. Both the outlet pipes are opened when the tank is full. But by mistake, someone opened the inlet pipe when the tank was exactly half empty. Calculate the delay in time taken to empty the tank.

Two pipes A and B can fill a tank in 48min and 60min respectively. A pipe C can empty the tank in 40 min. First A and B are opened. After 8 minutes, C is also opened. In how much time the tank will get filled?

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?

There is two inlet pipe A and B in a tank. they can fill the tank in 6 hours and 3 hours. If an outlet pipe C and inlet pipe B situated at the height of 1/6 of the tank, The outlet pipe can empty the tank in 9 hours then find the total time when the tank is filled. there is a condition all pipes work together. The height of the tank is 18 cm

A tank can be filled by two supply pipes in 15 minutes and 30 minutes, respectively, and there is a hole in the bottom of the tank that can empty it in 40 minutes. Both supply pipes were simultaneously opened to fill the empty tank. After how much time, does the hole at the bottom close, if the tank is filled in 12 minutes?