In a class of 120 students, 18 of them scored an A grade in mathematics....

JAMB 1985

In a class of 120 students, 18 of them scored an A grade in mathematics. If the section representing the A grade students on a pie chart has angle Z^o at the centre of the circle, what is Z?

A. 15
B. 27
C. 50
D. 52
E. 54

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Correct Answer: Option E

Explanation

Total students = 120

grade = 18

Z^o = \(\frac{18}{120}\) x \(\frac{360}{1}\)

= 54^o

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In a class of 120 students, 18 of them scored an A grade in mathematics....

Correct Answer: Option E

Explanation

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