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(150% of 350) ÷ ? = 15 => 525 ÷? = 15 => ? = 35
Pipe A alone fill the tank in x hours and Pipe B alone fill the tank in (x – 10) hours. If the efficiency of pipe B is triple of pipe A and pipe A...
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Pipe 'Q' can fill a tank in 20 hours, while Pipe 'R' completes the job in 15 hours. If both pipes are operated simultaneously, how long will it take fo...
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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 clo...
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...
Two pipes, A and B, can independently fill the tank in 15 minutes and 25 minutes respectively, while pipe C can empty 9 gallons from the tank in 3 minut...
