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      Question

      The current age ratio of Aman and Arjun is 3:4,

      respectively. After 6 years, their ages will be in the ratio 4:5. What is Aman’s present age?
      A 11 yrs Correct Answer Incorrect Answer
      B 18 yrs Correct Answer Incorrect Answer
      C 24 yrs Correct Answer Incorrect Answer
      D 20 yrs Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let present age of Aman and Arjun is β€˜3x’ years and β€˜4x’ years, respectively.

      According to the question,

      (3x + 6)/(4x + 6) = 4/5

      Or, 5(3x + 6) = 4(4x + 6)

      Or, 15x + 30 = 16x + 24

      Or, x = 6

      Present age of Aman = 3 Γ— 6 = 18 years

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