91% knows the answer to this question: "Construction begun in 1961 on which famous wall? "

And do you know the answer to this one? "In what country is the wooded mountain range known as Schwarzwald located?"

84% knows the answer to this question: "As of 2006, who was the lead singer of the rock band 'Gun N' Roses'? "

And do you know the answer to this one? "Which country did the USSR invade in 1979?"

62% knows the answer to this question: "What is the capital of Massachusetts? "

And do you know the answer to this one? "The Germans bread it for Wiener schnitzel. Italians slice it thin for saltimbocca and scallopini. What is it?"

31% knows the answer to this question: "Which proverb is also the name of a Shakespearean play? "

And do you know the answer to this one? "Which book begins with the line "Most motorcars are conglomerations...." ?"

92% knows the answer to this question: "Which painter did Gertrude Stein make a portrait of? "

And do you know the answer to this one? "In Britain, what unit of measure is based on the volume of 10 pounds of distilled water?"

38% knows the answer to this question: "In which of these states would you most likely order a sweetmeat lobster roll? "

And do you know the answer to this one? "What vegetable gets its name from the Latin for "flowered cabbage"?"

55% knows the answer to this question: "What is a 'rhea'? "

And do you know the answer to this one? "In what decade was it trendy to do the twist, the mashed potato, the watusi, the frug and the jerk?"

58% knows the answer to this question: "What was the name of the meter maid, according to the 1967 Beatles song? "

And do you know the answer to this one? "What German scientist is known as the Father of Radiology?"

47% knows the answer to this question: "At the New Amsterdam in the 1910's and 1920's, you could see what show, named for the Folies Bergere in Paris? "

And do you know the answer to this one? "What band released the album 'Come Around Sundown'?"

44% knows the answer to this question: "What vitamin are you lacking if you have scurvy? "

And do you know the answer to this one? "The company I founded kicked me out and reorganized itself as Cadillac. Who am I?"

46% knows the answer to this question: "Deoxygenated blood is blood with what? "

And do you know the answer to this one? "Overall, what "universal donor" blood type is the most common blood type in the world?"

79% knows the answer to this question: "What city's Cimetiere du Montparnasse holds the remains of Jean-Paul Sartre and Simone de Beauvoir? "

And do you know the answer to this one? "Popular in San Francisco and Argentina, an Italian drink called Fernet-Branca is made with what rare spice?"