39% 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?"

92% 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"?"

76% knows the answer to this question: "Which of these is one of the Channel Islands? "

And do you know the answer to this one? "What are crayons made out of?"

42% knows the answer to this question: "Which Asian country has NOT hosted an Olympics? "

And do you know the answer to this one? "What website redesigned its logo in 2012 to look like a "mountain bluebird with a dash of hummingbird"?"

32% 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?"

57% knows the answer to this question: "Who was the first American president? "

And do you know the answer to this one? "Who was Oscar Wilde?"

32% knows the answer to this question: "Which famous astronomer was born in Pisa in Italy in 1564? "

And do you know the answer to this one? "In 1960, which manuscripts were found hidden in a cave in Jordan?"

33% knows the answer to this question: "What's the surname of father and daughter Ozzy and Kelly who topped the charts at the end of 2003 with 'Changes'? "

And do you know the answer to this one? "I Walk the Line' and 'Ring of Fire' are two songs by which artist?"

47% knows the answer to this question: "In 1994, who won the Record of the Year Grammy for "I Will Always Love You"? "

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

92% knows the answer to this question: "What is compressed burned wood used for drawing called? "

And do you know the answer to this one? "In which U.S city would you find the 'Brooklyn Bridge'?"

94% knows the answer to this question: "Johann Strauss wrote a famous piece called what? "

And do you know the answer to this one? "What kind of geographical features are Bondi and Copacabana?"

56% 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?"