P.K. Posted February 23, 2014 Share Posted February 23, 2014 From the Indy - Dara O'Briains fiendishly tough maths quiz. Great to stir the grey but you REALLY REALLY need to think outside the square with these. Enjoy! http://www.independent.co.uk/incoming/dara-obriains-maths-quiz-9145232.html Link to comment Share on other sites More sharing options...
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