MBA
Exam
There is a tank of capacity 165 litres. it has N taps numbered from 1-N. At the start of the t^th minute where 1<_t<_N the tap numbered t which fills the tank at t litres/min is opened. If it takes exactly N min to fill the tank then find N? 1) 8 2) 9 3) 7 4) 10
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