প্রশ্ন ও উত্তর
A pump can fill a tank with water in 2 hours. Because of a leak, it took 7/3 hours to fill the tank. The leak can drain all water of the tank in:
গণিত Pipe and Tank 08 Oct, 2020
প্রশ্ন A pump can fill a tank with water in 2 hours. Because of a leak, it took 7/3 hours to fill the tank. The leak can drain all water of the tank in:
সঠিক উত্তর
14 hrs
মন্তব্য
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