Solved IB ACIO Question
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Q · Dice and Cubemedium · 45s
A cube of side 48 cm is painted yellow on all faces and cut into smaller cubes of side 8 cm each. How many smaller cubes have exactly three faces painted?
TopicDice and Cube
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Number of cubes with three faces painted = 8 (always, as these are the corner cubes).
Final Answer: Option A — 8