We all like to shout the answers at the telly when watching quiz shows, but this Who Wants to Be a Millionaire? question, worth a cool £500,000, has left the British public completely stumped. The ITV quiz show sees contestants answer multiple-choice general knowledge questions that get progressively harder as they go on. Contestants win a cash prize for each correct answer, starting at £100, going all the way up to £1 million at question 15. You need to have strong knowledge of topics like