31% knows the answer to this question: "Which of these African countries is furthest north? "

And do you know the answer to this one? "What country borders China, Russia and South Korea?"

54% knows the answer to this question: "The Forth Rail Bridge isn't named for a "fourth rail," but because it lets trains cross the Firth of Forth. Where? "

And do you know the answer to this one? "If you buy a gander, what will you come home with?"

43% knows the answer to this question: "Which song by Korean artist Psy became a hit in 2012 after its YouTube video garnered millions of views? "

And do you know the answer to this one? "In which century did both World Wars occur?"

83% knows the answer to this question: "What does the S stand for the group sometimes abbreviated as BSB? "

And do you know the answer to this one? "Which Kinks song was banned by the BBC?"

90% knows the answer to this question: "What is the only country bordering Monaco? "

And do you know the answer to this one? "What are the "good guys" called in the 2007 movie "Transformers"?"

39% knows the answer to this question: "The famous resort of Marbella is located in which country? "

And do you know the answer to this one? "Crocodiles, but not alligators, make which of these countries their home?"

30% knows the answer to this question: "What award was Mohamed ElBaradei and the International Atomic Energy Agency jointly awarded in 2005? "

And do you know the answer to this one? "In what town or city did the German 6th army surrender in early 1943, after being almost completely destroyed in a now famous battle?"

37% knows the answer to this question: "Courgette is the French (and British) word for this but the more common name for it is Italian for "little squash." What? "

And do you know the answer to this one? "In 1929, a genetic fluke produced the ruby red variety of what fruit in the Rio Grande Valley of Texas?"

88% knows the answer to this question: "If Don Quixote were to return to a ridge near Toledo in Castile-La Mancha, he'd find what appropriate renewable energy source? "

And do you know the answer to this one? "What is the common name for the tympanum?"

73% knows the answer to this question: "With a name that means nut shell in French, what word is defined as a thin slice, such as veal or salmon? "

And do you know the answer to this one? "Created by Louis Diat at New York's Walforf-Astoria, vichyssoise is a "French" soup made from potatoes and what else?"

30% knows the answer to this question: "In AD 122, Emperor Hadrian visited this country and started building a wall along the 73 miles from Solway Firth to the Tyne River. Where was this? "

And do you know the answer to this one? "In the sky, what two objects appear to be the same size, because even though one is 400 times larger, it also 400 times further away?"

35% knows the answer to this question: "Louisville International Airport serves which US State? "

And do you know the answer to this one? "Katie Perry married which comedian in 2010?"