All the faces of cubes are painted with red colour.It is then cut into 64 equal small cubes.Find How many small cubes have only one face coloured ? Choose the correct answer
A) 4
B) 8
C) 16
D) 24
E) 2
There are 64 small cubes,Hence one side side of the big cube is 3√64=4 cm   Number of small cubes having only one face coloured = (x - 2)2 x No. of faces   = (4 - 2)^2 x 6   = 24   Answer:24
<result>D</result>
All the faces of cubes are painted with red colour.It is then cut into 64 equal small cubes.Find How many small cubes have only one face coloured ?