The correct answer is A
Pipe L can empty the tank which is 45% filled in 9 hours. The time taken by pipe K and J together to fill an empty tank completely in 7.5 hours. Pipe J ...
Pipes A and B can fill a tank in 43.2 minutes and 108 minutes, respectively. Pipe C can empty it at 3 litres/minute. When all the three pipes are opened...
Two pipes A and B can fill a tank in 24 min., and 32 min, respectively. If both the pipes are opened simultaneously, after how much time B should be clo...
Tap A can fill a tank in 12 hours. Tap B can fill 12.5% part of the same tank in 2 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 5/8 par...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 18 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
Pipe A and B fill a tank in 43.2minutes and 108minutes respectively, Pipe C can empty it at 3 liters /minutes. When all the three pipes are opened toget...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 18 minutes and 16 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
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...
Pipe ‘A’ can fill a tank in 10 hours while pipe ‘B’ can empty it in 12 hours. They were operated on alternate hours starting with pipe ‘A’. ...
Pipe ‘A’ can fill a tank in 22 hours while pipe ‘B’ takes 25 hours to empty it. Pipe ‘A’ is opened alone when the tank was empty and after 1...
