Pipe A can fill a tank in 18 hours, Pipe B can empty a tank in 12 hours, Pipe C can fill tank in 6 hours. The tank is already filled up to 16 of its capacity. Now Pipe A is opened in the first hour alone, Pipe B is opened in the second hour alone and Pipe C is opened in the third hour alone. This cycle is repeated until the tank gets filled. Then in how many hours does the rest of tank get filled?

Created: 5 months ago | Updated: 1 month ago

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