38% knows the answer to this question: "North Korea threatened a nuclear attack against which country in 2013? "

And do you know the answer to this one? "What was O.J. Simpson charged with when he was arrested in 1994?"

37% knows the answer to this question: "Common North American varieties include the Burbank Russet and the Yukon Gold, while common British varieties include the Maris Piper, King Edwards and Golden Wonder. What is it? "

And do you know the answer to this one? "In Italian cuisine, what are the small potato dumplings called?"

64% knows the answer to this question: "How many guns are fired as salute for something of national importance? "

And do you know the answer to this one? "What year did the historical event, "Muslim leader Ayatollah Khomeini invades Iran", occur?"

31% knows the answer to this question: "What is the name of the toy which is a decompressed helical spring? "

And do you know the answer to this one? "San Francisco is a city in which state?"

57% knows the answer to this question: "Who sang the famous song Let It Be (1970)? "

And do you know the answer to this one? "Who sang the famous song Smoke On The Water (1973)? "

39% knows the answer to this question: "Spumoni, also called spumone, is usually served with candied fruit and nuts. What is it? "

And do you know the answer to this one? "What breakfast cereal has the bumblebee character BuzzBee as its mascot?"

89% knows the answer to this question: "Which group recorded the hit single "Karma Chameleon" in 1984? "

And do you know the answer to this one? "In 1981, Lionel Richie sang a duet with Diana Ross as the theme song to which movie?"

66% knows the answer to this question: "For what movie did Michael J Fox re-learn to skateboard, although he wouldn't have had a chance to hover board before making the sequel? "

And do you know the answer to this one? "What animals built a 1000-foot dam discovered in Colorado's Rocky Mountain National Park?"

43% knows the answer to this question: "What important traditional Chinese holiday is celebrated at the turn of the Chinese calendar? "

And do you know the answer to this one? "What potato chip hoped to become a Christmas staple, with such horrible holiday-themed flavors as White Chocolate Peppermint, Pumpkin Pie Spice and Cinnamon & Sugar?"

57% knows the answer to this question: "Where does "BFF" stand for? "

And do you know the answer to this one? "Where does "TGIF" stand for?"

60% knows the answer to this question: "Who was the father of Heracles? "

And do you know the answer to this one? "A ripe watermelon has a rind that is what color?"

82% knows the answer to this question: "Who wrote and starred in Rambo First Blood? "

And do you know the answer to this one? "What is the name of Superman's home planet?"