[Math4u] Cube Problem

Question:-
Given six different colours and a cube.
1. In how many ways two opposite faces of the cube can
be coloured with two different colours?
2. In how many ways four faces of the cube can be
coloured with four different colours of which two
faces are opposite and other two faces are also
opposite?
3. In how many ways all six faces of the cube can be
coloured with six different colours?

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