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Two barrels contain a mixture of ethanol and gasoline. The content of the ethanol is in the first barrel and in the second barrel. In what ratio must the mixtures from the first and the second barrels be taken to form a mixture containing ethanol?

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2:1

1:2

3:2

2:3

answer is A.

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Detailed Solution

Concept- Let the ratio of required mixture of ethanol be

of 1 and

of x will be

Ratio required
Question Image

Hence, the correct answer is option 1.

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