44% knows the answer to this question: "On November 22, 1963, who was shot and killed while riding in a Lincoln Continental? "

And do you know the answer to this one? "The description "build as an amphitheater that would be unmatched in size" best describes what?"

36% 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?"

65% 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? "What is the name for acute infection of the appendix?"

38% knows the answer to this question: "Where can you find the Great Lakes? "

And do you know the answer to this one? "The 'V & A' refers to which London museum?"

46% 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?"

74% knows the answer to this question: "Which part of a pool keeps the water free of trash? "

And do you know the answer to this one? "What 1905 business in Pittsburgh, Pennsylvania, was originally known as a "nickelodeon"?"

32% knows the answer to this question: "President Harry Truman ordered the atomic bombing of which two Japanese cities? "

And do you know the answer to this one? "Which Asian country landed a rover on the Moon in 2013?"

48% 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?"

81% knows the answer to this question: "What did you see over _? "

And do you know the answer to this one? "Pick the correct sentence"

58% knows the answer to this question: "What is the piece of metal on a bridle that goes into the horse's mouth? "

And do you know the answer to this one? "The sharp angles and vivid hues Pablo Picasso painted were inspired by tribal masks from where?"

47% 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?"

31% knows the answer to this question: "The amount of nutrition in food is measured in what? "

And do you know the answer to this one? "A bartender at Hotel Metropole in Brussels is credited with creating what cocktail in 1949, when he mixed vodka and coffee liqueur?"