Question : Directions: The following table gives details about the percentage change in the population in a particular town for given years. Go through the chart given and answer the questions that follow:
What was the percentage increase in the population of the town from 2005 to 2008?
Option 1: 19%
Option 2: 33.33%
Option 3: 22.6%
Option 4: Can not be determined.
Correct Answer: 22.6%
Solution :
Percentage increase in population in 2005 = 6%
Percentage increase in population in 2006 = 3%
Single increase percentage = $6+3+\frac{6×3}{100}=9.18$%
Percentage increase in population in 2007 = 4%
Single increase percentage of 9.18% and 4% = $9.18+4+\frac{9.18×4}{100}=13.55$%
Percentage increase in population in 2008 = 8%
Single increase percentage of 13.55% and 8% = $13.55+8+\frac{13.55×8}{100}=22.6$%
Hence, the correct answer is 22.6%.
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