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A mixture of 20 kg of sprit and water contains 10% water. How much water must be added to this mixture to rais the percentage of water to 25%?
গণিত Percentage 07 Oct, 2020
প্রশ্ন A mixture of 20 kg of sprit and water contains 10% water. How much water must be added to this mixture to rais the percentage of water to 25%?
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