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      Question

      The population of a town in 2019 was 'P'. It grew by 15%

      in 2020 and then by another 30% in 2021. By the end of 2021, the total population became 39,780. If the male to female ratio in 2019 was 7:8, find the number of males in the town in 2019.
      A 10,412 Correct Answer Incorrect Answer
      B 11,412 Correct Answer Incorrect Answer
      C 12,432 Correct Answer Incorrect Answer
      D 12,412 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ: P Γ— 1.15 Γ— 1.30 = 39,780 P = 39,780 Γ· 1.495 = 26,600 Therefore, number of males in town in 2019 = (7/15) Γ— 26,600 = 12,412

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