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Ravi is 3 years older than his brother Sohan. Five years ago, the ratio of their ages was 4 : 3. Find Ravi's present age (in years).

Competition practiceRatio, Proportion & Mixtures
  • A15
  • B20
  • C18
  • D17

Step-by-Step Solution

Let Sohan = S, Ravi = S + 3. Then (S+3−5)/(S−5) = 4/3 gives 3(S−2) = 4(S−5), so S = 14 and Ravi = 17.
Answer: D) 17

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