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      Question

      Out of 6000 participants in a conference in 2021, 70% were

      women and the rest were men. In 2022, the number of women increased by 30% while the number of men decreased by 10%. Calculate the percentage change in the total participants in 2022 as compared to 2021.
      A 15% Correct Answer Incorrect Answer
      B 16% Correct Answer Incorrect Answer
      C 12% Correct Answer Incorrect Answer
      D 18% Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Number of women in 2021 = 6000 Γ— 0.70 = 4200

      Number of men in 2021 = 6000 - 4200 = 1800

      Number of women in 2022 = 4200 Γ— (13/10) = 5460

      Number of men in 2022 = 1800 Γ— 0.90 = 1620

      Total participants in 2022 = 5460 + 1620 = 7080

      So, percentage change in total participants = {(7080 - 6000) / 6000} Γ— 100 = 18%

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