49% knows the answer to this question: "What does a orthodontist treat? "

And do you know the answer to this one? "Which country is made up of regions including Queensland and Tasmania?"

79% knows the answer to this question: "Lee Marvin, who passed away in 1987, was most famous for what? "

And do you know the answer to this one? "Which word is spelled wrong?"

38% knows the answer to this question: "Who shrugged, according to the title of an Ayn Rand novel? "

And do you know the answer to this one? "Who wrote the book "Childhood's End"?"

79% knows the answer to this question: "Advertising of which product was banned from UK television in 1965? "

And do you know the answer to this one? "A series of events referred to as "the troubles" begins in what country?"

86% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "Helmut Kohl was Chancellor of which European giant?"

69% knows the answer to this question: "Arnold Palmer won the Masters in which sport in 1960? "

And do you know the answer to this one? "Nice is in which country?"

51% knows the answer to this question: "Which European city has a chicken dish named after it? "

And do you know the answer to this one? "Which of these sodas is NOT clear-colored?"

76% knows the answer to this question: "Who sang the famous song "Starman" (1972) "

And do you know the answer to this one? "Who sang the famous song "Layla (unplugged)" (1992)? "

73% knows the answer to this question: "Who is the lead singer of The Rolling Stones? "

And do you know the answer to this one? "Who had the hit 60's song "Stop! In the Name of Love" on Motown?"

48% knows the answer to this question: "Which 1975 film does this quote, "I used to hate the water." "I can't imagine why," appear in? "

And do you know the answer to this one? "You can find Great Salt Lake at which location?"

37% knows the answer to this question: "Which of these US states has the highest population? "

And do you know the answer to this one? "In what country is Mount Fuji located?"

88% knows the answer to this question: "What "_________proof" lipstick hit the shelves in 1950? "

And do you know the answer to this one? "Which civil rights leader was assassinated in Memphis, Tennessee, on April 4, 1968?"