প্রশ্ন ও উত্তর
Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--
গণিত Percentage 07 Oct, 2020
প্রশ্ন Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is--
সঠিক উত্তর
4% decrease
মন্তব্য
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