Verbal Reasoning - Cube and Cuboid - Discussion
Discussion Forum : Cube and Cuboid - Cube and Cuboid 6 (Q.No. 1)
Directions to Solve
All the faces of a cube are painted with blue colour. Then it is cut into 125 small equal cubes.
1.
How many small cubes will be formed having only one face coloured ?
Answer: Option
Explanation:
No. of small cubes having only one face coloured = (5 - 2)2 x 6
= 9 x 6
= 54
Discussion:
4 comments Page 1 of 1.
Ranjit kumar said:
7 years ago
I have a doubt that since all faces are cut that means all sides of a cube will have the same number of small cubes which gives a total of 130 so can anyone explain this?
Prathamesh said:
9 years ago
Simple method would be only see from front.
Remove corner's cube and see only middle cube
Total middle cubes = 9.
Total sides of cube = 6.
so, 9 * 6 = 54.
Remove corner's cube and see only middle cube
Total middle cubes = 9.
Total sides of cube = 6.
so, 9 * 6 = 54.
Yuvi said:
9 years ago
Why 2 is subtracted from 5 and squaring it?
Sindhu said:
1 decade ago
Why 2 is subtracted from 5 and squaring?
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