84% knows the answer to this question: "How old was Prince Harry when his mother died? "

And do you know the answer to this one? "What year did American bombing of North Vietnam begin?"

95% knows the answer to this question: "Violet Gibson was a rich Irish woman with paranoid religious delusions. In 1926, she fired a shot at what dictator, shooting him in the nose after he opened a hospital in Rome? "

And do you know the answer to this one? "In what modern day country was the Nazi Concentration Camp 'Plaszow' located?"

38% knows the answer to this question: "What does the phrase "Hasta la vista", said by the Terminator in the movie of that name, mean? "

And do you know the answer to this one? "How many years are there in a century?"

63% knows the answer to this question: "Christopher Brookmyre, Val McDermid, Ian Rankin and Denise Mina are among what country's "tartan noir" crime writers? "

And do you know the answer to this one? "Who was the hard-drinking lead singer for British metal band Black Sabbath until 1979?"

30% knows the answer to this question: "What is the largest island in the continental United States? "

And do you know the answer to this one? "In what city did Princess Diana suffer her fatal car crash?"

88% knows the answer to this question: "The Dutch aren't really famous for their cuisine, but in addition to being Dutch communities, Edam, Gouda and Leiden are also stellar examples of what edible? "

And do you know the answer to this one? "Which person is known for publishing "The Interpretation of Dreams"?"

56% knows the answer to this question: "What would an unexpected or abnormal function be called? "

And do you know the answer to this one? "What term is used for an adult chicken that lays eggs?"

35% knows the answer to this question: "What country gets its name from the old Roman port of Portus Cale, now called Oporto? "

And do you know the answer to this one? "As any Beatles fan knows, what street in St John's Wood, London, was EMI Studios on?"

46% knows the answer to this question: "Where did Theodore Roosevelt study law? "

And do you know the answer to this one? "Which Australian city was named after the wife of king William IV?"

58% knows the answer to this question: "Which continent has an Ivory Coast? "

And do you know the answer to this one? "The Danube river runs across which continent?"

55% knows the answer to this question: "What is a 6 letter word meaning "anything that will neutralize an acid, as lime, magnesia, etc."? "

And do you know the answer to this one? "In this list, which word rhymes with six?"

31% knows the answer to this question: "Which state is bigger than Texas? "

And do you know the answer to this one? "In which UK county could you visit Sherwood Forest?"