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.

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]

Aptitude Question ID: 105345

A cistern has two pipes. One can fill it with water in 8 hours and other can empty it in 5 hours. In how many hours will the cistern be emptied if both the pipes are open together when of the cistern is already full of water? [A] [B] [C] [D] Show Answer Part of

Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is :

Three pipes A, B and C can fill a tank in 6 hours, 9 hours and 12 hours respectively. B and C are opened for half an hour, then A is also opened. The time taken by the three pipes together to fill the remaining part of the tank is : [A]2 hours [B]2.5 hours

Aptitude Question Id: 105338

If of a cistern is filled in 1 minute, the time needed to fill the rest is : [A]24 sec [B]30 sec [C]36 sec [D]40 sec Show Answer 40 sec Time taken to fill the of the cistern = 60 seconds ∴ Time taken in filling part Hence option [D] is correct answer.

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