TS Police SI Mains 2016 Solved Paper 3

Question : 31 of 200

Marks: +1, -0

A water tank is

\;{2}/{5}

th full. Pipe A can fill the tank in 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, the time taken to empty or fill the tank completely is

6 minutes to empty
6 minutes to fill
9 minutes to empty
9 minutes to fill

Validate

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