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    • Question

      Present age of ‘K’ is 70% more than that of ‘L’.

      10 years ago, ‘K’ was 2.2 times as old as ‘L’. Find the present age of ‘L’.
      A 18 years Correct Answer Incorrect Answer
      B 16 years Correct Answer Incorrect Answer
      C 20 years Correct Answer Incorrect Answer
      D 24 years Correct Answer Incorrect Answer

      Solution

      Let the present age of ‘L’ be ‘x’ years
      Therefore, present age of ‘K’ = 1.7x years
      ATQ;
      (1.7x – 10) = 2.2 × (x – 10)
      Or, 1.7x – 10 = 2.2x – 22
      Or, 12 = 0.5x
      Or, x = 24
      Therefore, present age of ‘L’ = 24 years

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