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Q. Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

  • (A). $$1 13/17$$hours
  • (B). $$2 8/11$$hours
  • (C). $$3 9/17$$hours
  • (D). $$4 1/2$$hours
Option (C) is Correct

Posted on: Mar 2023
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