57% knows the answer to this question: "Which surname was adopted by the British royal family in 1917? "

And do you know the answer to this one? "Boris Yeltsin was President of which country during the 1990s?"

68% knows the answer to this question: "Which people were bottom of the social scale in medieval society? "

And do you know the answer to this one? "The Romanovs were the royal family of which country?"

36% knows the answer to this question: "What is the name of the Ukrainian power plant where a major nuclear accident occurred in 1986? "

And do you know the answer to this one? "Who orchestrated the brutal murder of Sharon Tate?"

66% knows the answer to this question: "Which of these do Mexico, England and China have in common? "

And do you know the answer to this one? "Which '60's TV show was Cher on when the host introduced her as "Chur"?"

91% knows the answer to this question: "In 1978, Robert K. Jarvik was credited with which invention/discovery? "

And do you know the answer to this one? "What structure did Shah Jahan build at Agra in the 17th century as a tomb for his wife?"

39% knows the answer to this question: "The most common place for a hernia in a man is where? "

And do you know the answer to this one? "Which of these is the theme tune to Rocky?"

68% knows the answer to this question: "What is the name for a small storeroom for storing foods or wines? "

And do you know the answer to this one? "What was the name of President Richard Nixon's second Secretary of State?"

69% 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 "I Wanna Dance With Somebody" (1987) ?"

39% knows the answer to this question: "Marilyn Novak had to change her name, as there was already a blonde Marilyn in Hollywood. Who did she become? "

And do you know the answer to this one? "Colin Farrell and Jamie Foxx played Crockett and Tubbs in a 2006 movie version of what 80s TV show?"

80% knows the answer to this question: "What film is this line from "I am not an animal! I am a human being"? "

And do you know the answer to this one? "Who is responsible for the "Star Wars" movies?"

40% knows the answer to this question: "The 2011 film "The Iron Lady" is a biography of which historical figure? "

And do you know the answer to this one? "In 12 Monkeys, Bruce Willis says, "All I see are" these. In The Sixth Sense, he's told, "I see" these. What?"

87% knows the answer to this question: "What gas that you breathe, necessary for life, is also dissolved in ocean water? "

And do you know the answer to this one? "Which of the following is a common condition of the elbow?"