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.
-
The percentage increase in the price of gold from the year 2011 to 2013 is
-
- 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 |
