1.

A cube is coloured red on all faces. It is cut into 64 smaller cubes of equal size. Answer the following questions. How many cubes have three faces coloured?

Answer»

24
16
12
8

Solution :Since the cube is CUT into 64 smaller cubes, we can TAKE its edge as 4 CM and that of the SMALL cube edge 1 cm. So X= 4 and x = 1.
Cube having 3 FACES painted = 8.


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