81% knows the answer to this question: "Which Asian country exploded a nuclear bomb underground in 2013? "

And do you know the answer to this one? "Which American singer was born in 1979?"

42% knows the answer to this question: "What best-selling book is about a hot puzzle craze first originating in Japan? "

And do you know the answer to this one? "What city is called Venezia by the locals?"

53% knows the answer to this question: "Abigail Smith Adams was the wife of which American President? "

And do you know the answer to this one? "Which former French president led the Free French Forces during World War II?"

72% knows the answer to this question: "What mentally ill Russian monarch beat his pregnant daughter in law for dressing provocatively, then killed his own son for trying to stop him? "

And do you know the answer to this one? "Which car company implemented the first large-scale moving assembly line in 1913?"

93% knows the answer to this question: "Singin' in the "..." (1952) "

And do you know the answer to this one? "The Ten "..." (1956)"

35% knows the answer to this question: "What is the term for a lake that is permanently covered by ice? "

And do you know the answer to this one? "A popular new computer was introduced in 1984 named for what kind of apple?"

72% knows the answer to this question: "Which of these meals does not contain protein? "

And do you know the answer to this one? "What fruit juice did Ocean Spray promote to bartenders as a cocktail mix and to physicians as a way to prevent bladder infections in women?"

75% knows the answer to this question: "What is the area of a parallelogram with a base of 8 feet and height of 4 feet? "

And do you know the answer to this one? "A octagon with each side 7 inches long, what is the perimeter?"

53% knows the answer to this question: "What is hypoglycemia? "

And do you know the answer to this one? "In medical terms, what does the suffix "-itis" mean?"

69% knows the answer to this question: "What American federal prison was located on an island in San Francisco Bay? "

And do you know the answer to this one? "Korea fought the 1592 Imjin War against which country?"

57% knows the answer to this question: "In the Dr. Seuss story, what did the Grinch try to steal? "

And do you know the answer to this one? "Who is Billie Holiday?"

85% knows the answer to this question: "What is the main ingredient of guacamole (and also the ingredient for which it is named in Nahuatl)? "

And do you know the answer to this one? "In 1912, which country gave the United States the yoshino cherry trees that bloom every year in Washington along the Tidal Basin?"