BrainTwisters
Your weekly dose of logical and mathematical puzzling.
BrainTwister
快猫短视频 puzzle #21, plus quick quiz
11 September 2019
BrainTwister
快猫短视频 puzzle #20 plus quick quiz
4 September 2019
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快猫短视频 puzzle #19 The vicar鈥檚 age
28 August 2019
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快猫短视频 Puzzle #18: Cable on the moon
21 August 2019
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快猫短视频 puzzle #17: Which flipping year?
14 August 2019
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Puzzle #16: Clever code
7 August 2019
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快猫短视频 puzzle #15: Lines through the chessboard
31 July 2019
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快猫短视频 puzzle #14: the H coins problem, plus a science quiz
24 July 2019
BrainTwister
Puzzle #13 Snail party: four snails on each others鈥� tails
17 July 2019
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Puzzles #11 and #12: Lunar years and Hole of the moon
10 July 2019
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Puzzle #10: Betty’s change
3 July 2019
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Puzzle #09: The Cake and the Candles
26 June 2019
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Puzzle #08 Prisoners locked up
19 June 2019
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Puzzle #07: Amveriric鈥檚 boat
12 June 2019
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Puzzle #06 Darts challenge
5 June 2019
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Puzzle #05 Murphy鈥檚 law of socks
29 May 2019