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A mixture of oil and water contains 35% oil by weight, 25g of water is added to 100g of such a mixture. What percentage of oil by weight is there in the new mixture ?

Correct Answer: 28%

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Math MCQ: A mixture of oil and water contains 35% oil by weight, 25g of water is added to 100g of such a mixture. What percentage of oil by weight is there in the new mixture ? | Extra Education