Question

The minimum number of colours required to paint all the sides of a cube that no two adjacent faces may have the same colour, is __________.

• A. $1$
• B. $2$
• C. $3$
• D. $4$
• E. $5$

Answer 1

The correct option is C $3$

Opposite face have the same colour and there are six faces in a cube so we need $3$ different colours to do the need full. Hence (c).