প্রশ্ন ও উত্তর
An empty pool is being filled with water at a constant rate. It takes 6 hours to fill 2/3rd of the pool. How much time will it take to completely fill the pool?
গণিত Pipe and Tank 07 Oct, 2020
প্রশ্ন An empty pool is being filled with water at a constant rate. It takes 6 hours to fill 2/3rd of the pool. How much time will it take to completely fill the pool?
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