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Pipe A can fill a tank in 10 hours. Pipe B can fill the sametank in 15 hours. Pipe C can empty the full tank inC hours. Pipes A, B and C are opened alternativelyone hour each. If A is opened first, then howwill they take to fill the empty tank? |
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Answer» GisivdibdksoBd d BEST SHOW on TV show section of reward oiint REDEMPTION procedure for the Month |
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