42% knows the answer to this question: "What nickname for New York City was popularized in the 1920s columns by John J FitzGerald? "

And do you know the answer to this one? "What is Turkey's most populous city as well as its cultural and financial hub?"

56% knows the answer to this question: "Which of these cities is NOT in Italy? "

And do you know the answer to this one? "What does CPU in a computer stand for: Central _______ Unit?"

48% knows the answer to this question: "Janet Reno, Michael J Fox, Muhammad Ali and John Paul II all suffered from what disease? "

And do you know the answer to this one? "Who invented the first engine-powered airplane?"

67% knows the answer to this question: "A humpback is a variety of which animal? "

And do you know the answer to this one? "In 1839, Charles Goodyear was credited with which invention/discovery?"

72% knows the answer to this question: "If you're enduring arthroscopic knee surgery, or endoscopic surgery, as it's sometimes called, what is happening to you? "

And do you know the answer to this one? "What is water stored beneath the surface of the Earth called?"

33% knows the answer to this question: "What name is given to the ring of thick, shaggy fur around a male African lion's head? "

And do you know the answer to this one? "What did the vegetarian Abrosaurus eat?"

89% knows the answer to this question: "In what 1977 film did Harrison Ford play Han Solo? "

And do you know the answer to this one? "Who was literally "singing in the rain" in "Singin' in the Rain"?"

42% knows the answer to this question: "Who sang the famous song "Johnny B. Goode" (1958) ? "

And do you know the answer to this one? "Who sang the famous song ”California Dreamin’” (1965)?"

56% knows the answer to this question: "Who sang the famous song Kids Wanna Rock (1985)? "

And do you know the answer to this one? "Who sang the famous song Waiting For A Girl Like You (1987)? "

87% knows the answer to this question: "What was the Iran-Contra affair? "

And do you know the answer to this one? "As of 2007, which of these bird species is already gone, having last been seen off Iceland in 1844?"

30% knows the answer to this question: "What are crayons made out of? "

And do you know the answer to this one? "What is the first name of Sir Lipton, the creator of Lipton Tea?"

71% knows the answer to this question: "Although associated with Italian pasta, what red sauce wasn't even possible until the key ingredient was discovered in the New World? "

And do you know the answer to this one? "In what US is the island of Manhattan located?"