The table above shows the number of pupils in a class with respect to their ages. If a pie chart is constructed to represent the age, the angle corresponding to 8 years old is

Age in years 7 8 9 10 11
No of pupils 4 13 30 44 9
The table above shows the number of pupils in a class with respect to their ages. If a pie chart is constructed to represent the age, the angle corresponding to 8 years old is
A. 48.6°
B. 56.3°
C. 46.8°
D. 13°

Correct Option: Answer is A

Solution:
Total number of pupils : 4 + 13 + 30 + 44 + 9 = 100
The number of 8 – year old = 13
The angle represented by the 8-year old on the pie chart =
13 /100×360°
= 46.8°

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