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A tank contains 100 litres of fresh wate...

A tank contains 100 litres of fresh water. S solution containg 1 gm/litre of salt runs into the tank at the rate of 1 lit/min. The homogenised mixture is pumped out of the tank at the rate of 3 lit/min. If T be the time when the amount of salt in the tank is maximum.
Find [T] (where [.] denotes greatest integer function)

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