InterviewSolution
Saved Bookmarks
| 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 Such cubes are `6(10/2-2)^(2)=54`. |
|