Question : Study the given bar graph and answer the question that follows.
The bar graph shows the population of six countries (in millions) in 2010 and 2020.
In the USA, by what approximate percentage did the population increase by 2020 over its population in 2010?
Option 1: 18.57%
Option 2: 23.08%
Option 3: 26.5%
Option 4: 16.66%
Correct Answer: 23.08%
Solution :
Given: The population in 2020 = 80
The population in 2010 = 65
Percentage increase = $\frac{\text{New value – Old value}}{\text{Old value}}\times 100$
Percentage increase $=\frac{80 - 65}{65}\times 100=\frac{15}{65}\times 100=23.08\%$
Hence, the correct answer is 23.08%.
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