37% knows the answer to this question: "Which of these men was not a musician during the 1950s? "

And do you know the answer to this one? "Which actor said "Mrs. Robinson, you're trying to seduce me, aren't you?" in 1967's "The Graduate"?"

93% knows the answer to this question: "NASA released which famous photo of Mars in 1976? "

And do you know the answer to this one? "What country's unstable Fourth Republic had more than 20 governments from 1946 until Charles de Gaulle returned to politics and replaced it with the Fifth Republic?"

74% knows the answer to this question: "What is the piece of metal on a bridle that goes into the horse's mouth? "

And do you know the answer to this one? "By what name is aerial combat often called?"

51% 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? "In what U.S. city can you go for a walk in the Golden Gate Park?"

40% knows the answer to this question: "When Christopher Columbus first landed in Jamaica in 1494, who claimed it as a territory? "

And do you know the answer to this one? "A 1562 ordinance against public ostentation turned what city's famous gondolas black?"

51% knows the answer to this question: "In 2014, 14 people died in a volcanic eruption in what Asian country? "

And do you know the answer to this one? "What period began in Italy in 1325 which was known for its contribution to the arts?"

40% knows the answer to this question: "Which mountain stands on the Japanese island of Honshu? "

And do you know the answer to this one? "Who ruled as Soviet dictator from 1924 until 1953?"

93% knows the answer to this question: "Which singer was drafted into the US Army in 1958? "

And do you know the answer to this one? "In the mid-1980s, Canadian zoo breeder Keith Connell created a yuppie fad for owning the Vietnamese potbellied variety of what animal?"

81% knows the answer to this question: "What Tennessee Williams play is about Laura Wingfield, who lives in a fantasy world populated by glass animals? "

And do you know the answer to this one? "The old Sands Hotel in Vegas was dynamited and replaced by what city-themed hotel, which comes with its own gondolas?"

50% knows the answer to this question: "What is the capital city of Cuba? "

And do you know the answer to this one? "The Great Wall of China was built for what reason? "

86% knows the answer to this question: "Where is Bordeaux, whose Premier Cru table wines are among the world's best: Chateau Mouton-Rothschild, Chateau Lafite-Rothschild, Chateau Latour, Chateau Margaux and Chateau Haut-Brion? "

And do you know the answer to this one? "In which of the arts did Tchaikovsky become famous?"

63% knows the answer to this question: "Who beat Katy the Kangaroo to become the mascot of Kellogg's Frosted Flakes? "

And do you know the answer to this one? "A piece of wood from the apple tree that supposedly inspired my theory of gravity went up to space with astronaut Piers Sellers. Who am I?"