List of top Quantitative Aptitude Questions on Polygons

In a regular polygon, any interior angle exceeds the exterior angle by 120 degrees. Then, the number of diagonals of this polygon is

Ratio of two sides of polygon is 1:2 and ratio of their interior angle is 3:4. Find the number of sides of the polygon with more number of sides.

Each interior angle of a regular polygon is ‘a’ times as large as each exterior angles. How many sides does the polygon have?