Directions: Pipes A and B are used to fill the tank. A can fill the tank...

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Directions: Pipes A and B are used to fill the tank. A can fill the tank twice as fast as B. Pipe C and D can empty the tank. D takes same time to empty the tank as B takes to fill it. Pipe C can empty the tank in 6 hours. If all 4 pipes are opened together, how much hour would it take to fill the tank? Assume D can empty the tank twice as fast as C. 1. 1 hour 2. 0.5 hour 3. 3 hours 4. 2 hours Directions: Pipes A and B are used to fill the tank. A can fill the tank twice as fast as B. Pipe C and D can empty the tank. D takes same time to empty the tank as B takes to fill it. Pipe C can empty the tank in 6 hours. If all 4 pipes are opened together, how much hour would it take to fill the tank? Assume D can empty the tank twice as fast as C. 1. 1 hour 2. 0.5 hour 3. 3 hours 4. 2 hours

Answer rating: 100% (QA)

Solution 4 Let capacity of tank be 1 unit Part of tank emptied by Pipe C in an hour As B and D do t... View the full answer