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The correct answer is C
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 can fill a tank in 15 hours. Tap B can fill 20% part of the same tank in 4 hours, whereas Tap C can alone empty a tank in ‘x’ hours. 2/5 part ...
Two pipes A and B can fill a tank in 12 hours and 15 hours, respectively. Another pipe C can empty the tank in 10 hours. If all three pipes are opened t...
Two pipes A and B can fill a tank in 4 hours and 7 hours respectively & a waste pipe C can empty in 8 hours. If pipes A , B & C are opened at 7a...
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 tan...
Three pipe P1, P2 and P3 fill the tank in 15 hours, 10 hours and 20 hours respectively. If all the three pipes opened together and pipe P2 & P1 are clo...
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’. ...
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...
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 12 minutes and 15 minutes, respectively, while outlet pipe C can empty the entire tank in 1 hour. All three pipes are ...