Red Card Blue Card
Age 11 to 14 Short
Sally has 5 red cards, numbered 1, 2, 3, 4 and 5...
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Mathematics, 11.01.2021 22:50 GgRed
Red Card Blue Card
Age 11 to 14 Short
Sally has 5 red cards, numbered 1, 2, 3, 4 and 5, and 4 blue cards, numbered 3, 4, 5 and 6.
Can you find a way in which Sally can line the cards up so that the colours alternate, and so that the number on each red card is a factor of every number next to it?
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Answers: 1
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