81% knows the answer to this question: "Which of these places is an island off the African coast? "

And do you know the answer to this one? "Which of these crops was one of the biggest exports of Jamaica?"

53% knows the answer to this question: "Tenerife is in which group of islands? "

And do you know the answer to this one? "In which continent is Vietnam located?"

56% knows the answer to this question: "Originally, "Unchained Melody" was the melody for the 1955 prison film "Unchained." Who turned it into a monster hit? "

And do you know the answer to this one? "Which 2008 movie could have been subtitled Fathers of the Bride?"

62% knows the answer to this question: "What rock and roll singer and pianist does Dennis Quaid portray in the 1989 movie "Great Balls of Fire"? "

And do you know the answer to this one? "Finish the title of this Culture Club song: 'Karma ____'."

51% knows the answer to this question: "In the song "Row, Row, Row Your Boat," where are you rowing your boat so merrily? "

And do you know the answer to this one? "Douglas More's opera, "Gallantry," begins with an ad for Lochinvar Soap and opens in a hospital hallway. What is the opera's subtitle?"

35% knows the answer to this question: "When playing musical instruments, the tones that can be played are called what? "

And do you know the answer to this one? "Naturally enough for somebody who lived in Detroit in the 1950s, where did Berry Gordy work before founding Motown?"

36% knows the answer to this question: "What dynasty built most of the present-day Great Wall of China as a way to keep out the Mongols? "

And do you know the answer to this one? "Achilles is the mythical hero protagonist of Iliad and other Greek legends. Despite being almost invulnerable, had only one weakness. Which one?"

73% knows the answer to this question: "The 1960s female group, 'The Supremes', was signed to which record label? "

And do you know the answer to this one? "Which of these would you use to fasten the loops closed when making a paper chain?"

94% knows the answer to this question: "Which of these was a German naval vessel? "

And do you know the answer to this one? "What nationality was Archimedes, the famous mathematician?"

75% knows the answer to this question: "In which nation was the Trans-Siberian Railway completed in 1904? "

And do you know the answer to this one? "Who was Adolf Hitler's ally in World War II?"

53% knows the answer to this question: "Who was the creator of the Mongol empire? "

And do you know the answer to this one? "What song did the charity supergroup USA for Africa release for charity?"

56% knows the answer to this question: "When did the United States and Canada agree on borders? "

And do you know the answer to this one? "In the Second Punic War, how many battles did Hannibal lose on Roman soil?"