pipe A can fill a cistern in 5 hours and pipi B can fill it in 6 hours. both the pipes are opened and after two hours , pipe A is closed. how much time will B take to fill the remaining part of the tank.
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pipe A can fill a cistern in 5 hours and pipi B can fill it in 6 hours. both the pipes are opened and after two hours , pipe A is closed. how much time will B take to fill the remaining part of the tank.
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Answer:
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Answer:
Pipe A can fill an empty tank in 6 hours and pipe B in 8 hours. If both the pipes are opened and after 2 hours pipe A is closed, how much time B will take to fill the remaining tank?
Part of the tank filled by pipe A and B in 2 hours
This part is filled by pipe B.
Hence option [B] is correct answer.