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      Question

      The current ages of Ashwin and Bhavin are in a 5:4

      ratio. Chetan's current age is 25% greater than Bhavin's. If the current average age of Ashwin, Bhavin, and Chetan is 28 years, what is Chetan's present age?
      A 25 yrs Correct Answer Incorrect Answer
      B 35 yrs Correct Answer Incorrect Answer
      C 30 yrs Correct Answer Incorrect Answer
      D 45 yrs Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let Ashwin = A, Bhavin = B, Chetan = C A : B = 5 : 4 => A = 5x, B = 4x C is 25% more than B => C = 1.25B => C = 1.25 ├Ч 4x = 5x Average age = 28 => (A + B + C)/3 = 28 => A + B + C = 84 => 5x + 4x + 5x = 84 => 14x = 84 => x = 6 C = 5x = 5 ├Ч 6 = 30 years

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