47% knows the answer to this question: "In what U.S. state is Dallas located? "

And do you know the answer to this one? "The outside of a loaf of bread is called what?"

33% knows the answer to this question: "I'm a champion tennis player with an equally-skilled sister named Venus. Who am I? "

And do you know the answer to this one? "Which chemical, also used in thermometers, was involved in early photo development?"

44% knows the answer to this question: "What country is led by First Secretary of the Communist Party Raúl Castro in 2019? "

And do you know the answer to this one? "What very quotable British prime minister never actually called Clement Atlee "a very modest man, who has much to be modest about" or "a sheep in sheep?s clothing"?"

56% knows the answer to this question: "Which is true about the Great Depression? "

And do you know the answer to this one? "The Colloseum was used for what purpose?"

73% knows the answer to this question: "The medical term "standard of care" is best defined as which of these? "

And do you know the answer to this one? "What is an eight-letter word meaning "power or tendency to float on or in a liquid or gas"?"

88% knows the answer to this question: "Which airline is this? "

And do you know the answer to this one? "Which airline is this?"

67% knows the answer to this question: "Rob takes 30ml of medicine twice a day. How much does he use in a week? "

And do you know the answer to this one? "If Jake earns $12.92 per hour, how much will he gross for a 40-hour week?"

82% knows the answer to this question: "Su-Lin arrived at the Brookfield Zoo near Chicago in 1936, brought there by clothing designer Ruth Harkness. And Su-Lin was the first of a kind in North America. What was it? "

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?"

69% knows the answer to this question: "What did Tony the Tiger say about Frosties? "

And do you know the answer to this one? "What is the name of the process used by plants to convert sunlight into food?"

78% knows the answer to this question: "Hundreds of Thousands of people protested against which war in the 1960s? "

And do you know the answer to this one? "Which is the only continent bees are not found on?"

64% knows the answer to this question: "Volvo cars are from which country? "

And do you know the answer to this one? "In the famous 1951 cartoon, what advice does Bert the Turtle give to kids if they should find themselves being attacked with nuclear weapons?"

72% knows the answer to this question: "What Doctor was the title of a 1957 Pasternak novel? "

And do you know the answer to this one? "The Statue of Liberty is a national monument built on which island?"