Question

A cube 5x5x5 is given which is colored red. now it has been cut into 1x1x1 size .find out the no. of cubes having 2 faces colored. ans-36.

Answer 1

=> total no. of edge = 12

=> No. of middle cube is each = 3

=> therefore total no. of cubes with 2 faces colored = 12×3 = 36
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