IKMC 2027 - Grades 5-6 - Self-study SET 9 - Thematic Batch 3 Question 6

Five standard dice are stacked vertically, each with its 4-dot face upwards. Opposite faces sum to 7. How many dots are visible around the outside of the stack?



Visibility convention: count all four lateral sides and the exposed top face; the bottom rests on a surface and is hidden.