Who Wants To Be A Millionaire...and who is actually smart enough? The toughest and easiest questions in the show's history - could YOU answer these correctly?

There's nothing a contestant on Who Wants To Be A Millionaire wants more than to sweep through the rounds and win the huge prize money. The former army major, then aged 38, amazed audiences in 2001 when he scooped the top prize on the ITV primetime show while answering erratically to host Chris Tarrant's questions. Charles Ingram, then aged 38, amazed audiences in 2001 when he scooped the top prize on the ITV primetime show while answering erratically to host Chris Tarrant's questions Ingram's wife Diana was also involved in the deception and all three parties were handed suspended prison sentences following a four week trial at Southwark Crown Court, south London, in 2003 Charles and his wife Diana arriving at Southwark Crown Court to face charges of fraud in 2003 It later emerged that accomplice Tecwen Whittock, who was a future contestant, had coughed to indicate correct answers throughout the show. With £125,000 in winnings his for the taking, Oli faced a literature question to get to £250,000 He asked the studio audience, but by a ratio of more than four to one, they recommended the wrong answer Oli responded to the loss of £93,000 with good grace, saying 'It's something I now know' Host Jeremy Clarkson was sympathetic when the gamble didn't pay off, saying 'What an absolute nightmare' With £93,000 in play, Mr Bake admitted his answer 'deserves a bit of thought'. Duncan Bickley and Rob Mitchell share the joint shame of both losing £218,000 - the most ever on the show Mr Bickley said the name of Amy Johnson's plane she flew solo to Australia to in 1930 was Pegasus, but it was actually Jason But around three years later, Rob Mitchell repeated the shocker on November 1, 2003.