BrainTwister #106: Indices behaving oddly By Alison Kiddle Email Advertisement Sign up to our weekly newsletter Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers. Sign up More BrainTwisters An archive of our logic and maths BrainTwister puzzles BrainTwister BrainTwister #124: Odd sums 29 April 2026 BrainTwister BrainTwister #123: No repeats 22 April 2026 BrainTwister BrainTwister #122: Squares and cubes 15 April 2026 See all BrainTwisters
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More BrainTwisters An archive of our logic and maths BrainTwister puzzles BrainTwister BrainTwister #124: Odd sums 29 April 2026 BrainTwister BrainTwister #123: No repeats 22 April 2026 BrainTwister BrainTwister #122: Squares and cubes 15 April 2026 See all BrainTwisters
