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      Question

      The population of a village is 30,000. It increases at

      the rate of 15% during the first year and decreases at the rate of 25% during the second year and decreases at the rate of 20% during third year. What is the population after the third year
      A 23230 Correct Answer Incorrect Answer
      B 20700 Correct Answer Incorrect Answer
      C 25150 Correct Answer Incorrect Answer
      D 24000 Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      Population after the third year = 30,000*115/100*75/100*80/100 = 20700

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