69% knows the answer to this question: "What city in Brazil was founded in 1565 by the Portuguese? "

And do you know the answer to this one? "Jailhouse Rock was first recorded by what artist?"

46% knows the answer to this question: "In 2019, UK Prime Minister Theresa May failed three times to get her deal through Parliament to deliver what? "

And do you know the answer to this one? "Diego Rivera's murals often dealt with what type of national themes?"

69% knows the answer to this question: "Hawkeye and Trapper John were characters on what popular TV series which debuted in 1972? "

And do you know the answer to this one? "In 1829, W.A. Burt was credited with which invention/discovery?"

59% knows the answer to this question: "During which dynasty was Beijing's Forbidden City -- and a lot of great vases -- built? "

And do you know the answer to this one? "The 'Luger' pistol was used predominantly by which country during World War I?"

86% knows the answer to this question: "Which opera term means "medium male voice that lies between the low bass and the higher tenor"? "

And do you know the answer to this one? "Which long spear was often used by mounted warriors during the medieval era?"

33% knows the answer to this question: "Which country had the largest empire going into the First World War? "

And do you know the answer to this one? "What are small outdoor bathrooms called?"

50% knows the answer to this question: "In what song did she "cut off their tales with a carving knife"? "

And do you know the answer to this one? "A Peter Paul Rubens work shows a mythological boy who shares his name with which French city?"

47% knows the answer to this question: "Which European city was home to the Roman General Julius Caesar? "

And do you know the answer to this one? "What civilization built the great city of Machu Pichu in Peru?"

37% knows the answer to this question: "Which stimulant do chocolate and coffee have in common? "

And do you know the answer to this one? "Which space program went to the moon?"

70% knows the answer to this question: "What is the name of the spice that grows as a tall, tropical green grass with a lemony taste? "

And do you know the answer to this one? "A corn dog is a hot dog. The corn part comes from a batter made from what food?"

80% knows the answer to this question: "What form of currency is used in Italy? "

And do you know the answer to this one? "Which village is considered an 'arty' district of New York city?"

30% knows the answer to this question: "Mozart was born in the city of Salzburg, which is located in what country? "

And do you know the answer to this one? "In which country are you likely to hear the cheer or toast "Opa!" during a celebration?"