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


Question

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 Zo at the centre of the circle, what is Z?

Options

A) 15

B) 27

C) 50

D) 52

E) 54

The correct answer is E.

Explanation:

Total students = 120
grade = 18
Zo = \(\frac{18}{120}\) x \(\frac{360}{1}\)
= 54o

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