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Q: 80 liters of a mixture of alcohol and water contains 60% alcohol. If 'x' liters of water is added to this mixture, then the percentage of alcohol in the new mixture becomes 40%. What is the value of x?
  • A. 60
  • B. 20
  • C. 80
  • D. 40
Correct Answer: Option D -
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Explanations:

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