48% knows the answer to this question: "Which invention, which makes use of phosphorous, was invented in 1827? "

And do you know the answer to this one? "The alligator gets its name from "el lagarto," meaning "the lizard" in what language?"

74% knows the answer to this question: "Which President married Jacqueline Lee Bouvier in 1953? "

And do you know the answer to this one? "Which screen idol died in 1955, having only starred in three films?"

90% knows the answer to this question: "Which country should you visit if you want to see the Great Wall and Tiananmen Square ? "

And do you know the answer to this one? "Where is the Ho Chi Minh Trail?"

63% knows the answer to this question: "Which word is spelled wrong? "

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

61% knows the answer to this question: "What does a carnivore eat? "

And do you know the answer to this one? "Famous for its tacky tourist attractions, where could you get your kicks on, at least according to a Bobby Troup song?"

83% knows the answer to this question: "In which country did the Chernobyl nuclear plant explode in 1986? "

And do you know the answer to this one? "Which country started implementing a system called apartheid in 1949?"

77% knows the answer to this question: "King Hussein of which country died in January 1999? "

And do you know the answer to this one? "What was the name of the symbols used in Ancient Egypt for writing?"

78% knows the answer to this question: "Which 1935 New Deal program provided disabled and elderly people with monthly payments? "

And do you know the answer to this one? "Who ruled as Soviet dictator from 1924 until 1953?"

82% knows the answer to this question: "TV soap opera "Dynasty" was first shown in which decade? "

And do you know the answer to this one? "In which country was Adolf Hitler born?"

94% knows the answer to this question: "What caused the Great Famine that struck Ireland in 1845? "

And do you know the answer to this one? "What department was established in the 1830s as a branch of the Office of the Commissioner of Patents, to distribute new seeds and plants?"

53% knows the answer to this question: "What caused the Great Famine that struck Ireland in 1845? "

And do you know the answer to this one? "What department was established in the 1830s as a branch of the Office of the Commissioner of Patents, to distribute new seeds and plants?"

48% knows the answer to this question: "What weather phenomenon was the Norse god Thor thought to control? "

And do you know the answer to this one? "Who became the supreme leader of North Korea on December 28, 2011?"