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Question on: JAMB Mathematics - 2005

The grades of 36 students in a test are shown in the pie chart above. How many students had excellent?
A
7
B
8
C
9
D
12
Ask EduPadi AI for a detailed answer
Correct Option: A
Angle of Excellent
= 360 - (120+80+90)
= 360 - 290
= 70o
If 360o represents 36 students
1o will represent 36/360
50o will represent 36/360 * 70/1
= 7

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