118o
72o
62o
36o
Correct answer is C
The sum of the exterior angles of a regular polygon = 360°.
\therefore x + (x + 5) + (x + 10) + (x + 15) + (x + 20) = 360°
5x + 50 = 360° \implies 5x = 360° - 50° = 310°
x = \frac{310°}{5} = 62°
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