List of top General Aptitude Questions on Geometry

In the given figure, EF and HJ are coded as 30 and 80, respectively. Which one among the given options is most appropriate for the entries marked (i) and (ii)?

Spheres of unit diameter are centered at $ (l, m, n) $, where $ l, m, $ and $ n $ take every possible integer value. The distance between two spheres is computed from the center of one sphere to the center of another sphere. For a given sphere, $ x $ is the distance to its nearest sphere and $ y $ is the distance to its next nearest sphere. The value of $ \frac{y}{x} $ is:

If $\theta$ is the angle, in degrees, between the longest diagonal of the cube and any one of the edges of the cube, then $\cos \theta =$

A polygon is convex if, for every pair of points inside the polygon, the line segment joining them lies completely inside or on the polygon. Which one of the following is NOT a convex polygon?