When a genius misses an easy question
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Could you pass this interview? The famous batteries and flashlight logic puzzle
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A Fun IQ Quiz for the Eccentric Genius
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False proof 2 + 2 = 5. Can you spot the mistake?
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Impossible Logic Puzzle from Indonesia!
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I never understood why you can't go faster than light - until now!
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The worst English phrasebook ever written
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4 Interview Puzzles That Will Test Your Brain Power
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