78% knows the answer to this question: "Who sang the famous song ”I Walk the Line” (1956)? "

And do you know the answer to this one? "Who sang the famous song ”Over the Rainbow” (1939)?"

85% knows the answer to this question: "What would you call a black and orange bird that eats fruit and nectar? "

And do you know the answer to this one? "What exists around a magnet?"

78% knows the answer to this question: "The Louvre is located in what country? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

40% knows the answer to this question: "What would you do first with red and white lumps of "Play-Doh" to make a candy cane? "

And do you know the answer to this one? "Tiergarten and Kreuzberg are suburbs of which European capital?"

36% knows the answer to this question: "An app called Uber threatened what industry? "

And do you know the answer to this one? "With what issue did the landmark 1954 Supreme Court case Brown v. Board of Education deal?"

87% knows the answer to this question: "What is a huge river of ice called? "

And do you know the answer to this one? "In 1994, who was elected the first black President of South Africa?"

35% knows the answer to this question: "What do surgeons do before surgery in interest of hygiene? "

And do you know the answer to this one? "In 1906, William Kellogg was credited with which invention/discovery?"

64% knows the answer to this question: "In 1981, which of these became the first 24-hour cable network for music? "

And do you know the answer to this one? "What is 1 x 4?"

88% knows the answer to this question: "Which U.S. state was named for William Penn? "

And do you know the answer to this one? "What is the California region called that is famous for their wine production?"

36% knows the answer to this question: "Which of the following animals is an insect? "

And do you know the answer to this one? "Which scientific term is defined as outside of our galaxy?"

79% knows the answer to this question: "What fashionable shopping avenue divides the East Side of New York City from the West Side? "

And do you know the answer to this one? "What would you expect a newborn baby to weigh?"

36% knows the answer to this question: "What would you call a small, colourful, brush-tongued parrot from Australia? "

And do you know the answer to this one? "Which vegetable is not a head?"