80% knows the answer to this question: "Which hot-tempered tennis legend won both Wimbledon and the U.S. Open in 1984? "

And do you know the answer to this one? "What was the world's largest city in 7000 BC?"

58% knows the answer to this question: "The replacement of breast milk with other food is called what? "

And do you know the answer to this one? "Agents that prevent blood from clotting are called what?"

89% knows the answer to this question: "Which of the following is a red meat? "

And do you know the answer to this one? "What is the nickname of the leprechaun mascot for Lucky Charms cereal?"

67% knows the answer to this question: "Which of the following club is from Spain? "

And do you know the answer to this one? "Who sang the famous song Imagine (1971)? "

47% knows the answer to this question: "Who had the hit 60's song "I'm Sorry" on Decca? "

And do you know the answer to this one? "Who had the hit 60's song "It's Now or Never" on RCA Victor?"

88% knows the answer to this question: "Which 1970s TV Show do these characters; Pa, Laura, and Nellie Oleson appear in? "

And do you know the answer to this one? "Which author released his first novel 'Carrie' in 1974?"

40% knows the answer to this question: "Pantheon is in which city? "

And do you know the answer to this one? "Created by Tokujiro Namikoshi, shiatsu is a pressure-point message technique from what country?"

53% knows the answer to this question: "What U.S. state is nicknamed "The Golden state"? "

And do you know the answer to this one? "What is another term for a mixed-breed dog?"

42% knows the answer to this question: "What is the light that comes from behind a subject in a work of art called? "

And do you know the answer to this one? "Thrust moves a plane forward. What force holds it back?"

91% knows the answer to this question: "In the US, in which season do deciduous trees shed most of their leaves? "

And do you know the answer to this one? "The Rialto Bridge is one of the four bridges spanning the Grand Canal in which town?"

31% knows the answer to this question: "An icon of American literature and a Hanna-Barbera dog were named for what American berry? "

And do you know the answer to this one? "What 2005 Fox TV show did chef Gordon Ramsay host?"

62% knows the answer to this question: "Shrimp and algae are full of carotene, and the more of it this bird eats, the pinker its feathers are. And it eats with his head upside down. What is it? "

And do you know the answer to this one? "The London Underground is better known as what to Londoners?"