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      Question

      ‘L’ has 28% fewer books than ‘M’. ‘M’ has 30%

      more books than ‘N’. By what percent is the number of books with ‘L’ less than that with ‘N’?
      A 42% Correct Answer Incorrect Answer
      B 60% Correct Answer Incorrect Answer
      C 34% Correct Answer Incorrect Answer
      D 6% Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the number of books with ‘M’ be ‘50x’.

      Books with ‘L’ = 0.72 × 50x = 36x

      Books with ‘N’ = (50x / 1.3) = 38.46x

      Required percentage = {(38.46x – 36x)/38.46x} × 100 ≈ 6.4% or 6%

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