TS ICET 27 May 2023 Shift 2 Solved Paper

Question : 97 of 200

Marks: +1, -0

Pipes A and B can fill a tank in

20 {\min}

. and

30 {\min}

. respectively. A drain pipe

{\C}

can empty the full tank in

15 {\min}

. Pipes A, B and

{\C}

are opened alternatively each for 1 minute in that order. The time (in minutes) taken to fill the tank is

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