Pipes and Cisterns
easyQ1
Pipe A fills a tank in 4 hours, pipe B fills it in 6 hours, and pipe C empties it in 12 hours. If all three are opened together on an empty tank, how long will the tank take to fill?
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Pipe A fills a tank in 4 hours, pipe B fills it in 6 hours, and pipe C empties it in 12 hours. If all three are opened together on an empty tank, how long will the tank take to fill?