Login / Signup

Question

Pipe ‘A’ can fill a tank in 25 hours while pipe ‘B’ can empty it in 30 hours. They were operated on alternate hours starting with pipe ‘A’. Find the percentage of tank filled this way in 75 hours.

A 22.5%

B 25%

C 15%

D 20%

E 75%

Practice Next

More Pipes and cisterns Questions

Pipe 'X' is capable of emptying a tank in 15 hours. When Pipe 'Y', which adds 2.4 liters of water per hour, is also used, it takes 25 hours to empty the ta...
Pipe ‘X’ and pipe ‘Y’ can fill a tank alone in 36 hours and 18 hours, respectively. If both pipes are opened together and pipe ‘Y’ is closed after 6 hours,...
Tap A and Tap B fill a drum of volume 117 liters in 3 minutes. If their efficiencies are in the ratio x:y respectively and B alone takes to fill the cister...
A tank can be filled by pipe A in 6 hours and by pipe B in 8 hours. A third pipe C can empty the tank in 12 hours. If all three pipes are opened together, ...
Two inlet pipes, each with the same capacity, can fill an empty tank 'A' together in 20 minutes. There is also an outlet pipe that can empty 40% of the tan...
Pipe ‘A’ can fill a tank in 30 hours whereas leak ‘A’ can empty it in 50 hours. If they both operate along with pipe ‘B’, then the given tank gets filled i...
Pipe ‘X’ alone can fill a tank in 20 hours. When pipe ‘X’ and ‘Y’ are opened together, they can fill 60% of the same tank in 6 hours. Find the time taken b...
A, B, and C can fill a tank in 12, 15, and 20 minutes respectively. A starts alone; after 3 minutes B joins; after another 2 minutes C joins. How long will...
The efficiency of pipe R is 60% more than the efficiency of pipe S. Pipe Q alone can fill 30% of the empty tank in 6 hours. Pipe R alone can fill an empty ...
An inlet pipe fills a water tank in 50 minutes and an outlet pipe empties the tank in 75 minutes. How much time will both take to fill half the tank when o...

Relevant for Exams:

Hey! Ask a query

ask-question