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

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

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?
  • A.
    15
  • B.
    27
  • C.
    50
  • D.
    52
  • E.
    54
Correct Answer: Option E
Explanation

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