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If 20 litres of mixture containing 15% alcohol is mixed with 30 litres of mixture containing 18% alcohol, what is the concentration of the resulting solution?
  • a)
  • b)
  • c)
  • d)
     
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
If 20 litres of mixture containing 15% alcohol is mixed with 30 litres...
Amount of alcohol in the resulting mixture = 20 × 0.15 + 30 × 0.18 = 8.4 litres
Total amount of the resulting mixture = 50 litres
Concentration of alcohol in the resulting mixture = 8.4 × 100/50 = 16.8%
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If 20 litres of mixture containing 15% alcohol is mixed with 30 litres of mixture containing 18% alcohol, what is the concentration of the resulting solution?a)b)c)d)Correct answer is option 'B'. Can you explain this answer?
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