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Instant Insanity

Given the nets of 4 cubes with the faces coloured in 4 colours, build a tower so that on each vertical wall no colour is repeated, that is all 4 colours appear.

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Only Connect

The graph represents a salesman’s area of activity with the shops that the salesman must visit each day. What route around the shops has the minimum total distance?

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Ding Dong Bell

The reader is invited to investigate changes (or permutations) in the ringing of church bells, illustrated by braid diagrams showing the order in which the bells are rung.

Pattern of Islands

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2
No complete solutions were sent in this month.

Sarah and Claire sent in two possible maps, although they were both the same if you pushed them and pulled them a little.

Rosemary thought there were six, although you did not send me any!

All I can say is that there are more than six but less than 15. Perhaps someone can sort this out next month.