Pipe A alone can fill a tank in 8 h. Pipe S alone can fill it in 6 h. – InterviewSolution

1.	Pipe A alone can fill a tank in 8 h. Pipe S alone can fill it in 6 h. If both the pipes are opened and after 2 h pipe A is closed, then the other pipe will fill the tank in
Answer» 4H `2 (1)/(2) h` `6h` `3 (1)/(2)` h Answer :B

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