Question : Direction: The pie chart shows how the school fund is spent under different heads in a certain school. Using the pie chart answer the question.
What is the percentage of the total amount spent on the library?
Option 1: 24.3%
Option 2: 24%
Option 3: 20%
Option 4: 16.6%
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Correct Answer: 16.6%
Solution :
As per the chart,
The sum of all the central angles in a pie chart = 360°
The angle at the total amount spent on the library = 60°
The required percentage = $\frac{60^\circ}{360^\circ}$ × 100 = 16.6%
Hence, the correct answer is 16.6%.