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Q: A beaker contains acid and water in the ratio 1 : x. When 300 ml of the mixture and 50 ml of water are mixed, the ratio of acid and water becomes 2 : 5. What is the value of x ?
  • A. 2
  • B. 1
  • C. 3
  • D. 4
Correct Answer: Option A -
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Explanations:

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