2005
Mathematics
JAMB
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
Correct Answer: 7
Explanation
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
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 = 7THIS WEEK's
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