Inner Cube Unaffected

Probability Level 2

On a 3×3×33\times3\times3 cube, all but one 1×1×11\times1\times1 are visible.

How many 1×1×11\times1\times1 cubes are visible on the surface of a 10×10×1010\times10\times10 cube?

Image Credit: Wikimedia Dhrm77.
David Pilling by David Pilling
×

Problem Loading...

Note Loading...

Set Loading...