# Pipe and Cistern

Quantitative Aptitude Questions and Answers section on “Pipe and Cistern” with solution and explanation for competitive examinations such as CAT, MBA, SSC, Bank PO, Bank Clerical and other examinations.

# A water tank can be filled by a tap in 30 minutes and another tap can fill it in 60 minutes. If both the taps are kept open for 5 minutes and then the first tap is closed, how long will it take for the tank to be full?

A water tank can be filled by a tap in 30 minutes and another tap can fill it in 60 minutes. If both the taps are kept open for 5 minutes and then the first tap is closed, how long will it take for the tank to be full? [A]20 minutes [B]25 minutes [C]30 minutes ..

# Pipe P and Q can fill a tank in 10 and 12 hours respectively and C can empty it in 6 hours. If all the three are opened at 7 am, at what time will one-fourth of the tank be filled?

Pipe P and Q can fill a tank in 10 and 12 hours respectively and C can empty it in 6 hours. If all the three are opened at 7 am, at what time will one-fourth of the tank be filled? [A]10 am [B]11 am [C]10 pm [D]11 pm Show Answer 10 pm Part of ..

# A pipe can fill a tank in x hours and another can empty it in y hours. In how many hours they can together fill it (where y > x) :

A pipe can fill a tank in x hours and another can empty it in y hours. In how many hours they can together fill it (where y > x) : [A] [B] [C] [D] Show Answer When both pipes are opened simultaneously, part of the tank filled in 1 hour ∴ Required time Hence ..

# There are two pumps to fill a tank with water. First pump can fill the empty tank in 8 hours, while the second in 10 hours, If both the pumps are opened at the same time and kept open for 4 hours, the part of the tank that will be filled up is :

There are two pumps to fill a tank with water. First pump can fill the empty tank in 8 hours, while the second in 10 hours, If both the pumps are opened at the same time and kept open for 4 hours, the part of the tank that will be filled up is : [A] ..

# Two pipes A and B can separately fill a tank in 2 hours and 3 hours respectively. If both the pipes are opened simultaneously in the empty tank, then the tank will be filled in:

Two pipes A and B can separately fill a tank in 2 hours and 3 hours respectively. If both the pipes are opened simultaneously in the empty tank, then the tank will be filled in: [A]1 hour 12 minutes [B]1 hour 15 minutes [C]1 hour 20 minutes [D]2 hours 30 minutes Show Answer 1 hour ..