93% knows the answer to this question: "Who wrote "David Copperfield"? "

And do you know the answer to this one? "Nat King Cole was a jazz musician who played which instrument?"

55% knows the answer to this question: "Who lives in the Palais de l'Élysée, at 55 Rue du Faubourg Saint-Honore, not far from the Champs-Élysées? "

And do you know the answer to this one? "What is a grown male chicken called?"

54% knows the answer to this question: "In 2001, what disease got started with some pigs in Northumberland, England? "

And do you know the answer to this one? "Over 2,340 miles, what river forms the boundary or part of the boundary of nine states?"

44% knows the answer to this question: "In 1839, Charles Goodyear was credited with which invention/discovery? "

And do you know the answer to this one? "The word 'car' is believed to come from the Latin carrus or carrum meaning what?"

55% knows the answer to this question: "If I order surf 'n turf at a restaurant, what should I expect to be served? "

And do you know the answer to this one? "What city's Rockefeller Square is known for its skating rink?"

72% 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 is the height of the sea's surface generally called?"

36% knows the answer to this question: "What compound found in tap water is good for the teeth? "

And do you know the answer to this one? "In 2013, North Korea pulled out of a 60-year armistice with what country?"

43% knows the answer to this question: "What body of water touches the eastern coast of Mexico? "

And do you know the answer to this one? "Machu Picchu is an Incan city in what country?"

49% knows the answer to this question: "Michael Jackson's first wife was whose daughter? "

And do you know the answer to this one? "What bird, whose name meant "dummy" in Portuguese, was about the size of a turkey, and just about as tasty, which may be why it was extinct?"

87% knows the answer to this question: "Originally in 1932, the Three Musketeers bar was three separate nougat bars, each a different flavor. Which of these was not one of them? "

And do you know the answer to this one? "Which of these is in the vegetables group?"

79% knows the answer to this question: "What are the pictures that explain the story in a book called? "

And do you know the answer to this one? "What fictional character lived on a tropical island for 28 years?"

49% knows the answer to this question: "What British animals were driven mad by a disease called bovine spongiform encephalopathy? "

And do you know the answer to this one? "Who got into Guinness for his record 15 roles in the film Chinese Zodiak, including director, producer, actor, fight choreographer and composer?"