NextMockSearch exams, e.g. SSC CGL, UPPSC, Lekhpal
Railways PYQCBT 2 2017

RRB NTPC · Question 40

The number of sides of a regular polygon whose interior angles are each 168° is:

  1. 20

  2. 30

  3. 15

  4. 31

Show answer & explanation

Answer: (B) 30

Explanation

Each exterior angle = 180° − 168° = 12°. Number of sides = 360/12 = 30.