1.

A solid cube of each side 10 cm, has been painted red, blue and black on pairs of opposite faces. It is then cut into cubical blocks of each side 2 cm. Answer the following questions. How many cubes have only one face painted?

Answer»

54
36
24
12

Solution :In this QUESTION X = 10 and x = 2
Such cubes are `6(10/2-2)^(2)=54`.


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