95% knows the answer to this question: "Pfizer was a big name in the 1950s in which market? "

And do you know the answer to this one? "How do cats define territory which helps them feel secure?"

62% 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?"

94% 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? "What is 37 plus three score?"

33% knows the answer to this question: "In 1588, who was the vice admiral in command of the English fleet? "

And do you know the answer to this one? "What refers to wireless network components?"

41% knows the answer to this question: "... is nine-tenths of the law "

And do you know the answer to this one? "No ..., no glory"

43% knows the answer to this question: "Like cats, genets usually kill their prey with a bite to which part of the body? "

And do you know the answer to this one? "A sauce made with chilies is called what?"

87% knows the answer to this question: "Which airline is this? "

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

74% knows the answer to this question: "A carving knife is used for what? "

And do you know the answer to this one? "Which of these bagels risks producing a positive result in a urine drug test, since it is made from an opiate?"

92% knows the answer to this question: "Who sang the famous song "Surfin’ Safari" (1962)? "

And do you know the answer to this one? "The Von Trapp family built a ski lodge in Stowe, Vermont, after the events that inspired what musical?"

91% knows the answer to this question: "Which two cities are represented in Charles Dickens' "A Tale of Two Cities"? "

And do you know the answer to this one? "Catherine the Great was the queen of which country?"

55% knows the answer to this question: "Where would you find Earth's longest river, the Nile? "

And do you know the answer to this one? "The Mayflower sailed to America in 1620 from which country?"

57% knows the answer to this question: "In what nation were the Dead Sea Scrolls found beginning in 1947? "

And do you know the answer to this one? "Abraham Lincoln is known best as which of these?"