| Directions: A cube of 4 cm has been painted on its surfaces in such a way that two opposite surfaces have been painted blue and two adjacent surfaces have been painted red. Two remaining surfaces have been left unpainted. Now the cube is cut into smaller cubes of side 1 cm each. |
A) 18
B) 16
C) 22
D) 8
E) None of these
Correct Answer: A
Solution :
Explanation Option [a] is correct. No. of smaller cubes which are unpainted = 8 cubes from inside + 10 cubes from two adjacent unpainted surfaces = 18 cubes.
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