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Q: Pipe Vl can fill an empty tank in 8 hours. Pipe V2 can fill the same tank in 16 hours. Pipe V3 can empty the same completely filled tank in 12 hours. If three pipes are opened simultaneously, then in how much time will the tank get completely filled?
  • A.
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  • B.
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  • C.
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  • D.
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Correct Answer: Option D -
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Explanations:

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