93% knows the answer to this question: "In the old days, what did the 3 R's stand for? "

And do you know the answer to this one? "Which company released the first HD DVD player?"

61% knows the answer to this question: "Physician, ... thyself "

And do you know the answer to this one? "Less is …"

84% knows the answer to this question: "Which actor was the first African-American to win an Academy Award? "

And do you know the answer to this one? "What was the occupation of 1960s celebrity Twiggy?"

55% knows the answer to this question: "What Roman town was destroyed by the eruption of Mt. Vesuvius? "

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

30% knows the answer to this question: "Of these, which is a country music singer born in 1983? "

And do you know the answer to this one? "What accessory did Zippo Manufacturing Company introduce in 1933?"

62% knows the answer to this question: "What word refers to "the exchange of money for goods and/or services"? "

And do you know the answer to this one? "Which of these is a country in Africa?"

88% knows the answer to this question: "Because their barbels (feelers) look like whiskers, what are fish in the Siluriformes order commonly called? "

And do you know the answer to this one? "What word is used to describe crops and foodstuffs grown without chemicals?"

63% knows the answer to this question: "What was the name of the French peasant girl who claimed divine guidance and led the French army against England before being captured and burned at the stake? "

And do you know the answer to this one? "In 2012, the 634-meter Tokyo Skytree building opened in which country?"

58% knows the answer to this question: "In 1770, what 14-yr-old married the future Louis XVI in the Palace of Versailles? "

And do you know the answer to this one? "Sweden became the first nation in the world to ban what in 1978?"

70% knows the answer to this question: "To err is human, to ... divine "

And do you know the answer to this one? "The best-laid ... of mice and men often go awry"

37% knows the answer to this question: "Which English county is abbreviated to Oxon? "

And do you know the answer to this one? "At Grauman's Chinese Theater, who scribbled "I'll be back!" next to the imprint of his size-12 boots? "

43% knows the answer to this question: "Which of these is in Nevada? "

And do you know the answer to this one? "If gas costs $3 per gallon, and you have $39 to spend, how many gallons can you afford?"