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Q: A container has 30 litres of milk, from which 3 litres of milk is taken out and replaced with water. The process is done three times. What is the final ratio of the water and the milk in the container?
  • A. 729 : 271
  • B. 19 : 81
  • C. 81 : 19
  • D. 271 : 729
Correct Answer: Option D -
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Explanations:

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