A cube of side 80 cm is painted yellow on all the faces and then cut into smaller cubes of sides 8 cm each. Find the number of smaller cubes having all three faces painted.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 8.
If a cube is painted any color on all the sides, then the number of small cubes having all three faces painted will be 8 because there are 8 corners in the cube.