Question : The following bar graph describes the population of a town (in lakhs) from 2001 to 2007.
Find the percentage increase in population from 2006 to 2007.
Option 1: 15%
Option 2: 20%
Option 3: 16%
Option 4: 18%
Correct Answer: 20%
Solution :
Population in 2006 = 9.5
Population in 2007 = 11.4
Percentage increase
$=\frac{\text{Population in 2007 – Population in 2006}}{\text{Population in 2006}}\times100=\frac{11.4-9.5}{9.5}\times100=\frac{1.9}{9.5}\times100=20\%$
Hence, the correct answer is 20%.
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