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      Question

      Present age of β€˜M’ is 25% more than that of β€˜N’.

      4 years ago, β€˜M’ was 1.5 times as old as β€˜N’. What is the present age of β€˜N’?
      A 8 years Correct Answer Incorrect Answer
      B 10 years Correct Answer Incorrect Answer
      C 12 years Correct Answer Incorrect Answer
      D 14 years Correct Answer Incorrect Answer

      Solution

      Let the present age of β€˜N’ be β€˜x’ years
      Therefore, present age of β€˜M’ = 1.25x years
      ATQ;
      (1.25x – 4) = 1.5 Γ— (x – 4)
      Or, 1.25x – 4 = 1.5x – 6
      Or, 2 = 0.25x
      Or, x = 8
      Therefore, present age of β€˜N’ = 8 years

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