66% knows the answer to this question: "Which continent is closest to North America? "

And do you know the answer to this one? "What was Grover Cleveland's profession before entering into politics?"

61% knows the answer to this question: "The world's third highest mountain is located in the Himalayas and has an elevation of 28,169 ft (8,586 m). What is its name? "

And do you know the answer to this one? "In which state would you find the city nicknamed 'The Windy City'?"

76% knows the answer to this question: "Where is 'Table Mountain'? "

And do you know the answer to this one? "Which famous temple in Angkor, Cambodia was build in the 12th century?"

76% knows the answer to this question: "What mathematical operation involves decreasing the minuend by the subtrahend? "

And do you know the answer to this one? "The principal ore of Sn is cassiterite, associated with Cornwall, England. What is Sn?"

69% knows the answer to this question: "If you were wearing a pair of 'Converse', what would you be wearing? "

And do you know the answer to this one? "Which artist said that he is plans to run for President in 2020 at the 2015 MTV Video Music Awards?"

38% knows the answer to this question: "What website redesigned its logo in 2012 to look like a "mountain bluebird with a dash of hummingbird"? "

And do you know the answer to this one? "Which Asian country has NOT hosted an Olympics?"

84% knows the answer to this question: "What are crayons made out of? "

And do you know the answer to this one? "You'd need Tarzan's constitution to enjoy what cocktail, made of equal parts gin, rum and lemon juice with a dash of grenadine?"

75% knows the answer to this question: "What is the position from which the viewer looks at an object or visual field? "

And do you know the answer to this one? "Why is Leonardo da Vinci considered an example of a "Renaissance man"?"

37% knows the answer to this question: "You can find Great Salt Lake at which location? "

And do you know the answer to this one? "The Tigris and the Euphrates rivers flow through what middle-eastern country?"

80% knows the answer to this question: "What French Fauvist painter and sculptor lived from 1869-1954? "

And do you know the answer to this one? "When La Marche de l'Empereur became March of the Penguins, a new voice was found to narrate the English edition. Who?"

79% knows the answer to this question: "The Germans enjoy a good schweinknochel, even though it's what animal's knuckles? "

And do you know the answer to this one? "Bruschetta was likely invented as a way to save what foodstuff before it went off?"

37% knows the answer to this question: "Who leads the crew of the Nautilus in "20,000 Leagues Under the Sea"? "

And do you know the answer to this one? "How many atomic bombs did the U.S. drop on Japanese cities?"