Direction: Given here is a pie chart showing the cost of gold in 2010, 2011, 2012 and 2013. Study the chart and answer the following questions.
![](/content-resources/content-images/instruction/2762_instruction_image.jpg)
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The percentage increase in the price of gold from the year 2011 to 2013 is
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- 50%
- 60%
- 70%
- 80%
Correct Option: D
According to given pie chart in question ,
The corresponding angle of year 2013 = 135°
The corresponding angle of year 2011 = 75°
Total Increase = 135° - 75° = 60°
Required percentage increase = | ![]() | ![]() | × 100 | ||
The corresponding angle of year 2011 |
Required percentage increase = | = 80% | 75 |