Skip to content / Đến nội dung
ThichHocToan.com

2018 BIMC keystage3-IWYMIC individual Question 14

xIMC · 2018 BIMC keystage3-IWYMIC individual

Question 14

In how many ways can you paint the six vertices of a regular pentagonal pyramid using at most six different colours, such that two vertices connected by an edge have different colours? If the result of one way of painting may be obtained by rotation from the result of another way of painting, only one of them will be counted.

Question illustration

Show your detailed solution.

Answer: ______ ways