93% knows the answer to this question: "What was another name for the Bubonic Plague? "

And do you know the answer to this one? "How many degrees are in a circle?"

71% knows the answer to this question: "What was the surname of Sugar Ray, a 1958 boxing champion? "

And do you know the answer to this one? "In 1950s America, the phrase 'better dead than red' referred to which group of people?"

81% knows the answer to this question: "Which of the following would be classified as "performance art"? "

And do you know the answer to this one? "On which continent is South Korea located?"

85% knows the answer to this question: "What dynasty built most of the present-day Great Wall of China as a way to keep out the Mongols? "

And do you know the answer to this one? "The coldest recorded temperature on Earth, -128 degrees F., was taken where?"

52% knows the answer to this question: "Famous in the First Gulf War, how was General Norman Schwarzkopf usually described? "

And do you know the answer to this one? "What is the name of the Macedonian king who conquered Persia? "

67% knows the answer to this question: "What river did the Ancient Egyptians build their civilisation on? "

And do you know the answer to this one? "What was Italy's traditional currency before the euro?"

92% knows the answer to this question: "What gas that you breathe, necessary for life, is also dissolved in ocean water? "

And do you know the answer to this one? "Where does FAQ stand for?"

92% knows the answer to this question: "What is a woven fabric made from fleece or sheep fibers? "

And do you know the answer to this one? "What is musician Ozzy Osbourne's real name?"

68% knows the answer to this question: "A mason usually worked with which material? "

And do you know the answer to this one? "What plague that killed a quarter, maybe as much as a third, of the European population from 1347 to 1352?"

90% knows the answer to this question: "What special shoes did Dorothy wear in the movie "The Wizard of Oz"? "

And do you know the answer to this one? "With which of these industries would you associate the brand "Lufthansa"?"

76% knows the answer to this question: "Which story is about a woman dealing with the boss from hell at a stylish magazine? "

And do you know the answer to this one? "What does ITTF, the governing body for all international table tennis associations, stand for?"

79% knows the answer to this question: "Who performed a new version of his song "Candle in the Wind" at the Princess Diana's funeral service? "

And do you know the answer to this one? "Who is Edwin "Buzz" Aldrin?"