Hardest Teasers
These brain teasers have been voted as the most difficult. Only teaser with at least 20 votes are shown. Good luck solving them!
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Brain Teasers
| Title | Popularity | Difficulty |
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| 61 | Mixing Math and Poetry |  |
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| 62 | Against the Odds | |
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| 63 | Bingo Card 4 | |
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| 64 | 16 + 53 + 3 + 27 + 7 = 14 | |
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| 65 | Operation: Weather-Ectomy | |
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| 66 | Magnificent Seven | |
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| 67 | Hidden Message | |
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| 68 | 1, 3, 6, 55, 66... | |
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| 69 | Decapitation | |
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| 70 | HH | |
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| 71 | Code Nuke | |
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| 72 | Relational Algebra | |
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| 73 | Broken #4 | |
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| 74 | ACRON,Inc. | |
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| 75 | Famous People | |
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