64% knows the answer to this question: "Who won the Nobel Peace Prize for his part in negotiating an end to US involvement in Vietnam? "

And do you know the answer to this one? "Who was Johann Sebastian Bach?"

40% knows the answer to this question: "Who sang the famous song "Penny Lane" (1967) "

And do you know the answer to this one? "In addition to mucus, what helps your nose filter out germs and dirt?"

61% knows the answer to this question: "Dallas/Fort Worth International Airport is in which state? "

And do you know the answer to this one? "What is the name for leather with a napped, fuzzy finish?"

53% knows the answer to this question: "Which of the following best relates to an accountant? "

And do you know the answer to this one? "Complete the Four Tops hit song title, "Reach Out I'll Be ..."?"

80% knows the answer to this question: "The description "birthplace of American freedom" best relates to which landmark? "

And do you know the answer to this one? "What is one of the largest industries in Iceland?"

39% knows the answer to this question: "When you shuffle along carpets on dry days, the friction builds up your negative charge, which is attracted to the positive charge on a doorknob. What does that produce? "

And do you know the answer to this one? "Which of these landforms is an area of land lying between hills or mountains?"

37% knows the answer to this question: "What sort of animal is Mr Ed? "

And do you know the answer to this one? "In which European country is Mount Olympus situated?"

65% knows the answer to this question: "Solve this equation for N: 2N = 66? "

And do you know the answer to this one? "The description "80 limestone caves, the deepest chambers in the world" best describes?"

65% knows the answer to this question: "There is ... among thieves "

And do you know the answer to this one? "Everybody wants to go to heaven but nobody wants to ..."

50% knows the answer to this question: "What part of your body is ingrown if you're suffering from onychocryptosis? "

And do you know the answer to this one? "A semicircle is what percentage of a circle?"

80% knows the answer to this question: "Gwen Verdon, Debbie Allen, Christina Applegate and Molly Ringwald all played dancer Charity Valentine in what musical? "

And do you know the answer to this one? "Rubber is a good material for making wellington boots because it is what?"

59% knows the answer to this question: "Who sang the famous song "I Left My Heart in San Francisco" (1962)? "

And do you know the answer to this one? "Who sang the famous song "We Are The World" (1985)? "