92% knows the answer to this question: "Which of the following would be classified as "performance art"? "

And do you know the answer to this one? "Who famously defeated Bobby Riggs in a televised tennis match in Texas in 1973?"

54% knows the answer to this question: "What Russian emperor put down the streltsi (a Moscow version of the Beefeaters) after they rebelled while he was abroad in 1690s? "

And do you know the answer to this one? "What adjective that describes people who are angrily resentful, is also a noun that defines beer that is strongly flavored with hops?"

93% knows the answer to this question: "What is the missing word: ... a loaf is better than no bread "

And do you know the answer to this one? "What is the missing word: Every man for himself, and the ... take the hindmost"

54% knows the answer to this question: "Who sang the famous song "Are You Lonesome Tonight" (1960) ? "

And do you know the answer to this one? "Who sang the famous song "Girls Just Want To Have Fun" (1984) ?"

88% knows the answer to this question: "How many leaves should a clover have to be considered lucky? "

And do you know the answer to this one? "The blue in what vases, named for a Chinese dynasty, also inspired Dutch delftware, and came from cobalt imported from Persia?"

52% knows the answer to this question: "Who sang the famous song "Mamma Mia" (1975) ? "

And do you know the answer to this one? "Who sang the famous song "Annie's Song" (1976) ?"

82% knows the answer to this question: "What piece of material attracts iron and some other metals? "

And do you know the answer to this one? "The Indianapolis 500 was first staged in 1911. What kind of sporting event is it?"

33% knows the answer to this question: "In computing terms, what does the 'M' stand for in ROM? "

And do you know the answer to this one? "The Da Nang International Airport is in which country?"

53% knows the answer to this question: "In the 1940s, the US Army Meteorological Service started naming these for women. But as of May 12, 1978, you could also name them for men. What are they? "

And do you know the answer to this one? "Jim Parsons was born in 1973. He is best known for his role in which show?"

35% knows the answer to this question: "In the measurement of time, what does GMT stand for? "

And do you know the answer to this one? "What weapon, which we learned smells good in the morning in the movie Apocalypse Now, was originally a powdered aluminum soap of naphthalene with palmitate, which becomes sticky when mixed with gasoline?"

39% knows the answer to this question: "Which country is located on the continent of South America? "

And do you know the answer to this one? "What do North Africans call a riverbed that only occasionally is a river?"

63% knows the answer to this question: "Which of these would you not work out at a gym, but might instead use surgically if somebody gives birth at the gym? "

And do you know the answer to this one? "What is water stored beneath the surface of the Earth called?"