Question : Directions: The following graph represents the transport used by children. Study the graph and answer the given question.
If 180 students come walking to school, what is the strength of the school?
Option 1: 540
Option 2: 450
Option 3: 360
Option 4: 600
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Correct Answer: 450
Solution :
As per the chart,
The sum of all the central angles in a pie chart is 360°.
The angle at the people walking = 360° – 120° – 72° – 24° = 144°
The number of students who come to school by walking = 180
The required percentage = $\frac{360^\circ}{144^\circ}$ × 180 = 450
Hence, the correct answer is 450.
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