Monday, 8 August 2016

Cutting of cubes

on 23:29 Aptitude No comments

Total number of cubes =

n^{3}

n^{3}

n3

Cubes with 3 sides painting = 8
Cubes with 2 sides painting =

12 \times (n - 2)

Cubes with 1 sied painting =

{6 \times (n - 2)}^{2}

Cubes with no painting =

{(n - 2)}^{3}

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