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      Question

      A certain value is initially increased by 40% and then

      reduced by 25%. Determine the overall percentage change in the initial value.
      A 5% increase Correct Answer Incorrect Answer
      B 2% decrease Correct Answer Incorrect Answer
      C 10% increase Correct Answer Incorrect Answer
      D 7% decrease Correct Answer Incorrect Answer

      Solution

      ATQ,

      Let the value be '100b'

      Final value = 1.40 Γ— 0.75 Γ— 100b = '105b'

      Required percentage increase = [(105b - 100b) Γ· 100b] Γ— 100 = 5%

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