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?

25%

Number of employees in the marketing department = 90

Number of employees in all the departments = 105 + 90 + 40 + 50 + 75 = 360

Percentage of employees in marketing department = \(\frac{90 }{360}\) × 100

= 25%