Pipe ‘A’ can fill a tank in 20 hours while pipe ‘B’ can empty it in 30 hours. They were operated on alternate hours starting with pipe ‘A’. ...
A tap can fill the tank in 18 hrs, but due to tank leakage the tank empties in 30 hours. What will be the time required to fill the tank by them together.
Three pipes P, Q and R which are used to fill a tank. Each of the three pipes can be used either as an inlet pipe or as an outlet pipe. Each of the pipe...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 12 minutes respectively. Pipe ‘C’ alone can empty the cistern in 10 minutes. If a...
Pipes ‘A’ and ‘B’ can fill a tank in 6 hours and 9 hours, respectively. If pipe ‘C’ is opened along with pipes ‘A’ and ‘B’, then the...
The time taken by pipe B3 alone to fill an empty tank completely is half of the time taken by pipe B1 alone to fill the same tank completely. Pipe B2 al...
In what time would a cistern be filled by three pipes whose diameter are 2cm, 2*2/3cm, 4cm running together, when the largest pipe alone fill the cister...
Pipe 'A' and pipe 'B', alone can fill a tank in 20 minutes and 30 minutes, respectively. Both the pipes were opened together to fill the tank, but later...
Three pipes A, B and C can fill a tank in t, (t+12) & (t-12) hours respectively. Pipe A opened for d hours in the tank and after that B and C also opene...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 6 hours while pipe ‘C’ takes 36 hours to empty it. ...
