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Q: The ratio of the ages of A and B, four years ago, was 4 : 5. Eight years from now, the ratio of the ages of A and B will be 11 : 13. What is the sum of their present ages?
  • A. 72 years
  • B. 96 years
  • C. 80 years
  • D. 76 years
Correct Answer: Option C -
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Explanations:

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