A cube is painted red on all sides. It is then cut into 64 smaller cubes of equal size. How many of these smaller cubes have no painted faces?
Q1. A cube is painted red on all sides. It is then cut into 64 smaller cubes of equal size. How many of these smaller cubes have no painted faces?
Answer: 8
Explanation: For 64 smaller cubes, the original cube is divided into 4x4x4. The inner 2x2x2 = 8 cubes have no painted faces.