53% knows the answer to this question: "Of the following former U.S. presidents who served first? "

And do you know the answer to this one? "What is the full name of the famous author Burroughs?"

43% knows the answer to this question: "What movie-themed chain restaurant did Bill Murray launch with his brothers at the World Golf Village, near St Augustine, Florida? "

And do you know the answer to this one? "He may have wanted out, but they pulled Al Pacino back in for the third movie in what film franchise?"

63% knows the answer to this question: "The largest medical center in the world is in which Texas city? "

And do you know the answer to this one? "What country borders Canada and Mexico?"

39% knows the answer to this question: "Which of these movies featured Harrison Ford? "

And do you know the answer to this one? "In which country would you find the Taj Mahal?"

79% knows the answer to this question: "Which of these states publishes most of the highest circulated newspapers? "

And do you know the answer to this one? "Who was Florence Nightingale?"

72% knows the answer to this question: "What materials were used to build Stonehenge in England? "

And do you know the answer to this one? "Ruby is a gemstone of which color?"

84% knows the answer to this question: "The bones around your chest that protect organs such as the heart are called what? "

And do you know the answer to this one? "Which word completes the title of the 1966 Simon and Garfunkel Top Twenty hit 'I Am A ...'?"

71% knows the answer to this question: "In what U.S. state is Dallas located? "

And do you know the answer to this one? "Which of these is not a tool used by painters?"

46% knows the answer to this question: "What were Discovery, Challenger and Columbia in the '80s? "

And do you know the answer to this one? "As the story goes, what vodka-and-orange cocktail was named by oil workers for the tool they used as a swizzle stick?"

81% knows the answer to this question: "What collapsed in the Wall Street Crash of 1929? "

And do you know the answer to this one? "Alligators have wider and shorter heads and more obtuse snouts than what animal, with which they are often confused?"

57% knows the answer to this question: "What was the name of Rutherford B. Hayes' father? "

And do you know the answer to this one? "What was opened in 1888 in Honour of Louis Pasteur?"

70% knows the answer to this question: "Which palace on the outskirts of Paris was home to the kings of France until the French Revolution? "

And do you know the answer to this one? "What is the main currency of France?"