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      Question

      The age of Kiran 4 years ago was 10% more than the present

      age of Deepa. 4 years hence, the ratio of their ages will be 5:4. Find the difference between their present ages.
      A 4 years Correct Answer Incorrect Answer
      B 6 years Correct Answer Incorrect Answer
      C 8 years Correct Answer Incorrect Answer
      D 10 years Correct Answer Incorrect Answer
      E 12 years Correct Answer Incorrect Answer

      Solution

      Let the present age of Deepa be ‘x’ years
      Therefore, present age of Kiran = (1 + 0.1)x + 4 = 1.1x + 4

      According to the question,
      (1.1x + 4 + 4) / (x + 4) = 5/4

      Solving the equation, we get x = 20 years
      Then, Kiran's age = 26 years
      Required difference = 26 – 20 = 6 years

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