78% knows the answer to this question: "Who is Mikhail Gorbachev? "

And do you know the answer to this one? "What is a style of wrestling in which the wrestlers try to get other competitors out of a circular ring?"

85% knows the answer to this question: "Who was Harry S. Truman? "

And do you know the answer to this one? "What did a confectioner make?"

80% knows the answer to this question: "A 2008 Jasper Johns exhibition exclusively featured 130 works in what dull color? "

And do you know the answer to this one? "What fashionable shopping avenue divides the East Side of New York City from the West Side?"

67% knows the answer to this question: "What is a huge river of ice called? "

And do you know the answer to this one? "Released in 2002 by iRobot, the Roomba was a round, flat robot. What did it do?"

94% knows the answer to this question: "Which form of transportation was invented first? "

And do you know the answer to this one? "Which Australian city is home to an iconic Opera House?"

50% knows the answer to this question: "What do you get when you add molasses to sugar? "

And do you know the answer to this one? "Which item is part of the grains group?"

69% knows the answer to this question: "What is the missing word: Another day, another .... "

And do you know the answer to this one? "What 19th-century figure took marijuana to relieve menstrual cramps?"

67% knows the answer to this question: "Which bird is most associated with the Antarctic? "

And do you know the answer to this one? "Which fruit is traditionally "bobbed for"?"

39% knows the answer to this question: "Which nationality does Egg Foo Young belong to? "

And do you know the answer to this one? "What rhizome of what plant, Zingiber officinale, is especially good at treating nausea caused by seasickness, morning sickness and chemotherapy?"

80% knows the answer to this question: "Which is the most populated city in the US? "

And do you know the answer to this one? "About two-thirds of the African slaves brought to the New World ended up on plantations to satisfy European demand for glucose (C6O6H12). Which of these products is glucose?"

80% knows the answer to this question: "What is a very young plant called? "

And do you know the answer to this one? "The only two movies to feature this character that were not part of the official MGM/UA "canon" were Casino Royale, in which he was played by David Niven, and "Never Say Never Again," in which he was played by Sean Connery. Who is this character?"

64% knows the answer to this question: "What is the more common name for a seizure? "

And do you know the answer to this one? "Which sports uses a black disc made of vulcanised rubber?"