47% knows the answer to this question: "Which country supplied 80% of the world's coffee in the 1920s? "

And do you know the answer to this one? "In the 14th century, Europe suffered a plague that killed about one third of its entire population. What name was given to that plague?"

30% knows the answer to this question: "What song hit #1 in 1965 by Tom Jones? "

And do you know the answer to this one? "The C in "The OC" is for "County." What conservative California county, home to Richard Nixon, gives us the O?"

36% knows the answer to this question: "In the early 1900's, John Larson invented a "polygraph" which is commonly known as what? "

And do you know the answer to this one? "In football, what is another name for a running play?"

66% knows the answer to this question: "Which country was placed under an international oil embargo in 2012? "

And do you know the answer to this one? "Which of these was a name commonly given to the 1920s?"

83% knows the answer to this question: "What is any picture of an object made with a mirror or lens called? "

And do you know the answer to this one? "What is the name of the part of government that actually produces money?"

38% knows the answer to this question: "Which opera term matches "a castrated male prized for his high singing voice"? "

And do you know the answer to this one? "What is the name of the breathing condition in which airways narrow?"

57% knows the answer to this question: "Back in the 1970s, why might you (or maybe your dad) have had an eight-track cartridge in the car? "

And do you know the answer to this one? "Which of these people swam for the United States in the 2004 Olympics?"

67% knows the answer to this question: "Which country music star recorded the most famous version of 'Ring Of Fire'? "

And do you know the answer to this one? "Who is singer Peter Noone?"

75% knows the answer to this question: "The 1974 role playing game was called Dungeons and what? "

And do you know the answer to this one? "Early to ... and early to rise, makes a man healthy, wealthy and wise"

35% knows the answer to this question: "What is the more common term for seasonal allergic rhinitis? "

And do you know the answer to this one? "Which organ of the body can be most affected by excess alcohol?"

58% knows the answer to this question: "Which of these is a North American raptor or bird of prey? "

And do you know the answer to this one? "What term means someone who commits digital crimes?"

33% knows the answer to this question: "What is the capital city of Antarctica? "

And do you know the answer to this one? "What year did the Jews in Poland's Warsaw ghetto start to fight the Nazis?"