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This is from c't, a German IT magazine (link will download file). You see seven hexagons, each with seven green and blue dots, following a specific rule. Find out what colors the circles must have to continue the sequence.

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1 Answer 1

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The answer is

2, 4, 5, 6,

because

a little squeezing will create a seven segment display with the letters a to g. Since the sequence had to be continued the last segment inevitably represents an h.

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