Which figure is the odd one out?
Explanation: Figure E is the odd one out. In all of the other figures the horizontal line in the black-circle-within-white-circle is on the same side as the diagonal-line-within square.
Explanation: Figure C is the odd one out. The black squares in each of the other figures add up to 20. The black squares in figure C add up to 14.
Which figure completes the grid?
Explanation: Columns two and four are identical. Column three is a mirror image of column one. Option D completes the grid.
Explanation: The four squares which make up opposite corner blocks are mirror images. Option C completes the grid.
Which figure is next in the series?
Explanation: Every other domino follows a descending pattern 4&6, 4&5, 4&3, 4&2. Option B continues this series.