57% knows the answer to this question: "What was the name of the wife Nelson Mandela divorced in 1996? "

And do you know the answer to this one? "In which sport was Bjorn Borg famous in the 1970s and 1980s?"

62% knows the answer to this question: "What is the term for squashing dough with your hands to make it smooth and elastic? "

And do you know the answer to this one? "In which capital city would you find the Louvre?"

52% knows the answer to this question: "Vitamin D deficiency can lead to which disease? "

And do you know the answer to this one? "A painting of an apple, a book and flowers would be known as what?"

67% knows the answer to this question: "What was the first name of ex-First Lady Roosevelt, who died in 1962? "

And do you know the answer to this one? "Which of these forms of carbon is South Africa particularly renowned for producing?"

92% knows the answer to this question: "What song hit #1 in 1965 by Tom Jones? "

And do you know the answer to this one? "The C in "The OC" is for "County." What conservative California county, home to Richard Nixon, gives us the O?"

76% knows the answer to this question: "Back in the 1970s, why might you (or maybe your dad) have had an eight-track cartridge in the car? "

And do you know the answer to this one? "Which of these people swam for the United States in the 2004 Olympics?"

45% knows the answer to this question: "The 'V & A' refers to which London museum? "

And do you know the answer to this one? "Which country's largest city is Shanghai?"

72% knows the answer to this question: "Which organ of the body can be most affected by excess alcohol? "

And do you know the answer to this one? "What is the name for acute infection of the appendix?"

43% knows the answer to this question: "Which country music star recorded the most famous version of 'Ring Of Fire'? "

And do you know the answer to this one? "Who is singer Peter Noone?"

42% knows the answer to this question: "On November 22, 1963, who was shot and killed while riding in a Lincoln Continental? "

And do you know the answer to this one? "In what city is Macy's Thanksgiving Day Parade held?"

72% knows the answer to this question: "Hong Kong is a Special Administrative Region of what large Asian nation? "

And do you know the answer to this one? "Which of these is a city in Utah?"

74% knows the answer to this question: "What year did the Jews in Poland's Warsaw ghetto start to fight the Nazis? "

And do you know the answer to this one? "What is the capital city of Antarctica?"