Two pipes A and B can fill a tank in 12 min., and 16 min, respectively. If both the pipes are opened simultaneously, after how much time A should be cl...
Pipes 'X' and 'Y' can fill a tank in 15 hours and 10 hours respectively, while pipe 'Z' can empty it in 30 hours. All pipes are opened together when the...
Inlet pipes 'A' and 'B' can fill a tank in 24 minutes and 40 minutes, respectively. Both the pipes are opened together to fill the tank. When the tank i...
Pipe 'A' can fill a water tank in 6 hours, while pipe 'B' requires 8 hours to do the same. When a third pipe, 'C', also contributes, the tank is filled ...
Pipe A and Pipe B could fill a tank together in 18 hours and 12 hours respectively, while pipe C could empty it in 9 hours. If both inlet pipes are ope...
A tank has two inlet pipes, A and B, which can fill the tank in 6 hours and 8 hours, respectively, and an outlet pipe C, which can empty the tank in 12 ...
Pipe 'A' takes 18 minutes to fill half the tank. Pipe 'B' is 3 times as efficient. What percentage of the tank will both fill in 9 minutes?
Pipe E can fill a tank in 40 minutes while pipe F can fill the same tank in 50 minutes. If pipe E and F are opened simultaneously, then after how much t...
Tap ‘A’ and tap ‘B’ can fill a tank in 42 hours and 30 hours, respectively. If both taps are opened together, then find the time after which tap...
Pipe ‘E’ alone can fill a tank in 15 hours. When pipe ‘E’ and ‘F’ are opened together, they can fill 90% of the same tank in 9 hours. Find t...
