IKMC 2022 - Grades 9-10 - Set 2 - Self-study Question 24

Question 24

Each small square on the surface of a 2 × 2 × 2 cube bears a circle, a square or an X. Any two surface squares sharing an edge have different shapes. One example is shown. Which other combination is possible?

Question illustration

6 circles, 8 squares, the rest Xs
7 circles, 8 squares, the rest Xs
5 circles, 8 squares, the rest Xs
7 circles, 7 squares, the rest Xs
None of the previous