Pipe A can fill a tank in 5 hours and pipe B in 10 hours. Both the pipes arnine A is closed. How much time will be taken by pipe B to fill the remaining tank?

Pipe A can fill a tank in 5 hours and pipe B in 10 hours. Both the pip

1.	Pipe A can fill a tank in 5 hours and pipe B in 10 hours. Both the pipes arnine A is closed. How much time will be taken by pipe B to fill the remaining tank?
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