61% knows the answer to this question: "Solve this equation for N: 12N = 144? "

And do you know the answer to this one? "Susanna the Maid is the bride in what Mozart work, named for the groom?"

39% knows the answer to this question: "At over 2,340 miles, what river forms all or part of the boundary of nine US states? "

And do you know the answer to this one? "Who was kidnapped by Paris, which started the Trojan War?"

94% knows the answer to this question: "What is a medical term for "a bruise or a black and blue mark"? "

And do you know the answer to this one? "What is the average temperature of a healthy human, in centigrade?"

82% knows the answer to this question: "Which of these foods is a typical Greek dish? "

And do you know the answer to this one? "In 1984, what animal's heart was transplanted into Baby Fae?"

48% knows the answer to this question: "Who sang the famous song "25 Or 6 To 4" (1970)? "

And do you know the answer to this one? "Who sang the famous song "Boogie Wonderland" (1979)"

50% knows the answer to this question: "Before becoming Britain's prime minister, who worked with a voice coach from the National Theater to get her voice pitched 46 hertz lower? "

And do you know the answer to this one? "In what movie does Harrison Ford take on a role David Janssen had played on TV?"

53% knows the answer to this question: "What period began in Italy in 1325 which was known for its contribution to the arts? "

And do you know the answer to this one? "Finish this line of Barry White lyrics: 'You're the first, you're the last, my ___________'."

66% knows the answer to this question: "If you add 12 to 100 what do you get? "

And do you know the answer to this one? "If you add 4 to the sum of 8 + 8, what does it equal?"

41% knows the answer to this question: "What did England ban from all public places and workspaces on July 1, 2007? "

And do you know the answer to this one? "Sushi is a food associated with which country?"

73% knows the answer to this question: "Which of these songs is on the "Hard Days Night" soundtrack? "

And do you know the answer to this one? "Who had the hit 60's song "Honky Tonk Women" on London?"

88% knows the answer to this question: "What does "BMI" stand for? "

And do you know the answer to this one? "Which of the following terms refers to a disease-producing agent?"

55% knows the answer to this question: "What part of the world did the Vikings come from? "

And do you know the answer to this one? "Which of the following is a well-known Japanese condiment?"