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Q: The ratio of acid and water in two vessels A and B is 4:5 and 11:7 respectively. Their ingredients are mixed in the ratio 5:6. What is the total amount of water to be added to make 198 mL of this mixture with 50% acid?
  • A. 21 mL
  • B. 7 mL
  • C. 28 mL
  • D. 14 mL
Correct Answer: Option D -
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Explanations:

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