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Irish Star on MSNTry to solve the 'world's hardest logic puzzle' that has left many stumpedA man has shared a logic puzzle on social media that he claims is the 'hardest in the world' - and it's left many people ...
The entrance exam for All Souls College at Oxford University has been called the world's hardest test. That's because it's nearly impossible to revise for. The questions are abstract and there are ...
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