Question 65
The following pie chart gives the central angles of the various sectors representing the number of employees in different departments in a company.
The number of employees in the marketing department is what percentage of the number of employees in all the departments taken together?
Solution
Percentage = $$\frac{90}{\left(90+40+50+75+105\right)}\times\ 100$$
= $$\frac{90}{360}\times\ 100$$
= $$\frac{1}{4}\times\ 100$$
= 25%
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