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Coded message brainteaser Brainteaser

by David, 21 March 2018 | 4 comments

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You’ve just received a secret coded message: AD, BA, BH, CE, DB, DI, EF You know it follows a pattern, but can you work out what pair of letters come next?

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1936 brainteaser Brainteaser

by David, 7 March 2018 | 2 comments

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1936 is a square number. That means you can make it by multiplying a whole number by itself: 1936 = 44 x 44

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