From the infamous 'Hannah's sweets' exam question to percentages 'life-hacks', viral maths problems seem to capture the public's imagination without fail. This is often because they blow people's minds with their logic, or there are multiple answers, or no answer or at all, or they are just generally wacky. The same people who will openly celebrate that they 'never got maths' will fight tooth and nail with their Auntie on Facebook over whether...
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