9. Pipe P can fill an empty tank in 12 hours and pipe Q in 14 hours. If both pipes are opened simultaneously
and after 4 hours Pipe P is closed, how much time Q will take to fill the remaining capacity of the tank?
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9. Pipe P can fill an empty tank in 12 hours and pipe Q in 14 hours. If both pipes are opened simultaneously
and after 4 hours Pipe P is closed, how much time Q will take to fill the remaining capacity of the tank?
solve it
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Answer:
3 hr 20 min it will take to fill.