Explanation:
Rule 1: The shaded circle revolves 90 degrees in the clockwise direction.
Rule 2 states that the square rotates 90 degrees counterclockwise.
Explanation:
Rule 1: The shapes repeat and alternate between small, medium, and large.
Rule 2: The large form is left un-shaded while the tiny and medium shapes are shaded.
Explanation:
Rule 1: Every time, the shapes rotate one corner counterclockwise.
Rule 2: Triangles and circles are used alternately as shapes.
Explanation:
Rule 1: Circle, rectangle, and triangle shapes are alternated. Restarts at the circle, then the steps are repeated.
Rule 2: The shapes are alternately shaded and un-shaded, so there are two shaded and two unshaded.
Explanation:
Rule 1: The shapes' sides grow in number with each step.
Rule 2: Unshaded and shaded shapes are alternated.
Rule 3: The circle switches between being present and not being present.
Explanation:
Rule 1: Every time, the shapes rotate 90 degrees counterclockwise.
Rule 2: Hexagon and square shapes are alternated.
Rule 3: Every other graphic in the series alternates between being unshaded and being shaded (2 unshaded, 2 shaded).
Explanation:
Rule 1: The octagon alternates between being in the top and bottom positions.
Rule 2: The circle alternately appears and does not appear.
Rule 3: The square revolves in a clockwise direction.
