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      Question

      A is younger than B by 3 years. If the ratio of A and B

      ages is 12:13 respectively, then find the age of A.
      A 21 years Correct Answer Incorrect Answer
      B 30 years Correct Answer Incorrect Answer
      C 25 years Correct Answer Incorrect Answer
      D 36 years Correct Answer Incorrect Answer

      Solution

      If B’s age be x years, then A’s age be (x - 3) years. According to question, => (x – 3)/x = 12/13 => 13x – 39 = 12x => x = 39 Therefore A's age = 39 – 3 = 36 years

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