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      Question

      A town had 30,000 people in 2010. In 2011, the population

      rose by 25%, dropped by 20% in 2012, and rose again by 10% in 2013. Find the population at the end of 2013.
      A 18050 Correct Answer Incorrect Answer
      B 28450 Correct Answer Incorrect Answer
      C 22050 Correct Answer Incorrect Answer
      D 33000 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      ATQ,

      Population in 2011 = 1.25 × 30000 = 37500

      Population in 2012 = 0.80 × 37500 = 30000

      Population in 2013 = 1.10 × 30000 = 33000

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