Question

The series shows grids: 1×1, 2×2, 3×3, 4×4... with diagonal shading rotating. What comes next?

• A. A
• B. B
• C. C
• D. D
• E. E

Hint:

Diagonal shading can rotate $90^\circ$ or $45^\circ$. If it's a square grid, $90^\circ$ turns move the shading from one side to the next.

Answer 1

Answer: (E)