51% knows the answer to this question: "Which country did Harrods originate from? "

And do you know the answer to this one? "What city's dome, destroyed by an A-bomb and left in ruins, once topped the Prefectural Products Exhibition Hall?"

83% knows the answer to this question: "What famous fictional character rubs a lamp in "1001 Arabian Nights"? "

And do you know the answer to this one? "In which century was the Italian fascist Benito Mussolini born?"

44% knows the answer to this question: "Who was the author of 1946's "The Common Book of Baby and Child Care"? "

And do you know the answer to this one? "Changes in attitudes towards art, led what to be added to the figures in Michelangelo's "Last Judgment"?"

31% knows the answer to this question: "In the fall of 2008, I complained when people traded emails of a faked picture of me, carrying a big gun and wearing a star-spangled bikini. Mind you, I also complained when Newsweek ran a cover photo of me that wasn't altered at all. Who am I? "

And do you know the answer to this one? "Humphry Davy discovered this element in 1807 and renamed it twice, which is why the Brits spell it with an I and the Americans don't. What is it?"

42% knows the answer to this question: "Which is NOT a domesticated cat breed? "

And do you know the answer to this one? "The Congo rainforest takes its name from what? "

66% knows the answer to this question: "Which political party did President Jimmy Carter represent? "

And do you know the answer to this one? "You can find Grand Teton National Park in which U.S. state?"

72% knows the answer to this question: "A custard baked in a mould in the oven is often called a what? "

And do you know the answer to this one? "In computing, what does RAM stand for?"

48% knows the answer to this question: "Apple is the second largest tech company in the world in terms of revenue after who? "

And do you know the answer to this one? "What was President Monroe's first name?"

59% knows the answer to this question: "Viking warlord Harald Fairhair refused to cut his hair until he united what country, in what may have been a desperate attempt to impress a girl? "

And do you know the answer to this one? "Popular in Ireland, what bread uses NaHCO3 as a leavening agent, instead of yeast?"

66% knows the answer to this question: "Which former Beatle received the 2012 MusiCares Person of the Year award? "

And do you know the answer to this one? "London' is a famous variety of which spirit?"

59% knows the answer to this question: "Which of the following terms refers to a disease-producing agent? "

And do you know the answer to this one? "Which last name completes the full name of an athlete from boxing with the first name Evander?"

41% knows the answer to this question: "Which U.S. state has "The Last Frontier" as its nickname? "

And do you know the answer to this one? "The Mary J. Blige song 'Mr. Wrong', which features Drake, features an interpolation of the lyrics of which Billy Paul song?"