A cube of edge 6 cm is painted on all sides...

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A cube of edge 6 cm is painted on all sides and then cut into unit cubes. The number of unit cubes with no sides painted is

A. 0

B. 64

C. 186

D. 108

Answer: Option B

Number of cubes with no side painted = (n - 2)³
Where n is the side of the bigger cube
Required number = (6 - 2)³ = 64

This Question Belongs to Arithmetic Ability >> Mensuration 3D

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