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The present ages of A and B are in the ratio 5:7. Eight years hence, the ratio of their ages will become 7:9. Find A's present age.

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The present ages of A and B are in the ratio 5:7. Eight years hence, the ratio of their ages will become 7:9. Find A's present age.
  • A15
  • B20
  • C25
  • D28
Correct answer: B

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