How long does it take to fill and empty the tank?

There are 4 filling pipes and 3 emptying pipes capable of filling and emptying in 12 minutes and 15 minutes respectively. If all the pipes are opened together and as a result they fill 10 litres of water per minute. Find the capacity of the tank. 11. One pipe P is 4 times faster than pipe Q and takes 45 minutes less than pipe Q.

How many pipes can fill a tank in 1 hour?

Three pipes P, Q and R can fill a tank in 12, 15 and 20 minutes respectively. If pipe P is opened all the time and pipe Q and R are opened for one hour alternatively. The tank will be full in 7. Three pipes A, B, and C can fill the tank in 10 hours, 20 hours and 40 hours respectively. In the beginning all of them are opened simultaneously.

How long does it take to fill a bathtub with water?

A bath tub can be filled with the cold water pipe in 10 minutes and by hot water pipe in 15 minutes (independently each). A person leaves the bathroom after turning on both pipes simultaneously and returns at the moment when the bath should be full. Finding, however, that the waste pipe has been opened he now closes it.

How long does it take to empty a three fourths tank?

A tap can fill a tank in 16 hours whereas another tap can empty the tank it in 8 hours. If in a three fourth filled tank both the taps are opened, then how long will it take to empty the tank in this scenario? 15. If pipes A and B can fill a tank in 18 min and 24 mins respectively and pipe C empties the tank in 12 mins.

Hence, time taken by A and B to fill the tank together = 18/7 min = 2and 4/7 min = 2min 34 seconds (approx.) A pipe can fill a tank in 12 minutes & another pipe in 18 minutes, but a 3rd pipe can empty it in 6 minutes. The first 2 pipes are kept open for 5 minutes in the beginning and then the third pipe is also opened.

How long does it take to empty a septic tank?

If all the pipes are opened when the tank is full and it takes one hour to empty the tank. Find the capacity of the tank. Let the waste pipe take ‘T’ time to empty the tank. One pipe fill 1/4 of the tank in 4 minutes and another pipe fills 1/5 of the tank in 4 minutes.

How many pipes does it take to fill a cistern?

Three pipes A, B and C is attached to a cistern. A can fill it in 20 minutes and B can fill it in 30 minutes. C is a waste pipe. After opening both the pipes A and B, Riya leaves the cistern to fill and returns when the cistern is supposed to be filled.

An empty tank can be filled by a tap in 45 minutes. The same full tank is emptied by another tap in 30 minutes. When the tank is full, both taps are opened at once. How long will it tank to empty the tank?

How fast can tap a empty a 60 litre water tank?

Tap A can empty a 60 litre water tank in 60 minutes is an empty rate of 1 litre per minute. So it’s the filling rate of 1.2 litres per minute minus the emptying rate of 1 litre per minute = a revised filling rate of 0.2 litres per minute.

How long does it take to fill a septic tank?

If the tap and the drain are open together, the tank will be filled in (30*20)/ (30–20) = 600/10 = 60 minutes or 1 hour. If at the start the tank is full at the start it will overflow as long as the fill tap is on.

How long does it take to fill the a water reservoir?

A water reservoir has two inlets and one outlet. Through the inlet it can be filled in 3 hours and 33/4hours respectively. It can be emptied completely in 1 hour by the outlet. If the two inlets are opened at 04:00 pm and 05:00 pm respectively and the outlet at 06:00 pm then it will be emptied at.

8). Pipe A alone can fill a tank in 12 minutes and Pipe B can fill the same tank in 15 minutes. Pipe C which is at the bottom of the tank can drain the tank at the rate of 22 litres/minute. If all three pipes are kept open together when the tank is full, the tank gets emptied in one hour.

How many hours does it take for the second pipe to fill?

If two pipes function simultaneously, the reservoir will be filled in 24 hrs. One pipe fills the reservoir 20 hours faster than the other. How many hours does it take for the second pipe to fill the reservoir? Assume that the reservoir is filled by first pipe in ‘x’ hours. So, the reservoir is filled by second pipe in ‘x + 20’ hours.