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Penta Colour

In how many different ways can I colour the five edges of a pentagon red, blue and green so that no two adjacent edges are the same colour?

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Eight Dominoes

Using the 8 dominoes make a square where each of the columns and rows adds up to 8

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All the words in the Snowman language consist of exactly seven letters formed from the letters {s, no, wm, an). How many words are there in the Snowman language?

Major Trapezium

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2
The small circle has a circumferrence of 12 centimetres.