Two pipes P and Q can fill a tank in 48 minutes and 64 minutes respectively. If both the pipes are opened simultaneously, after how much time Q should b...
A large cistern can be filled by two pipes, P and Q, in 16 minutes and 24 minutes, respectively. Pipe R can empty the cistern in ...
Pipe ‘A’ takes 30 hours to fill a tank. Pipe ‘B’ takes 90 hours to empty the same tank. If they are opened together, then 60% of the tank will b...
Pipe E can fill a pool in 24 hours and pipe F in 48 hours. If both the pipes are opened in an empty pool, how much time will they take to fill it?
Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ takes 30 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
In what time would a Cistern be filled by three pipes whose diameter are 2cm, 8/3cm and 4cm running together, where the largest pipe alone fill it in 18...
Two taps can fill a tank in 18 hours and 24 hours, respectively. A waste pipe can empty the tank in 36 hours. If all three pipes are opened together, ho...
Pipe A and Pipe B together can fill the tank in 15 hours. The capacity of the pipe A is 30% of the capacity of the pipe B. How much time will pipe B alo...
An inlet pipe can fill an empty tank in 30 minutes whereas an outlet pipe can empty the fully filled tank in 45 minutes. Find the time taken by both the...
Time taken by ‘A’ to fill a tank, which is 40% empty, is 20 minutes, while time taken by ‘B’ to fill the same tank, when it is 25% full, is 30 ...