62% knows the answer to this question: "Who did President Harry S. Truman succeed? "

And do you know the answer to this one? "These famous brothers both had F as a middle initial, standing for Fitzgerald or Francis, respectively. Who?"

88% knows the answer to this question: "How many days in a week plus 72 hours? "

And do you know the answer to this one? "What is 3/4 + 1/4 written in lowest terms?"

63% knows the answer to this question: "Finish this line of Johnny Cash lyrics: "I keep the ends out for the tie that binds - Because you're mine, I walk ___________".  "

And do you know the answer to this one? "Which country music star had a 1992 hit with 'Achy Breaky Heart'?"

33% knows the answer to this question: "How many corners did the popular 18th century tricorn hat have? "

And do you know the answer to this one? "How would you travel if you left for France from a hover port?"

56% knows the answer to this question: "The medical term "triple zero" refers to what? "

And do you know the answer to this one? "Which country launched Operation Pillar of Defense against the Gaza Strip in 2012?"

84% knows the answer to this question: "Who said, "When I was young I could draw like Raphael, but it has taken me my whole life to learn to draw like a child"? "

And do you know the answer to this one? "Which is the capital of Vietnam?"

71% knows the answer to this question: "Which sport is Chris Evert Lloyd famous for? "

And do you know the answer to this one? "Who was the author of a diary published in 1947 that detailed the horrors of the Holocaust?"

53% knows the answer to this question: "Which of these composers was born in Germany? "

And do you know the answer to this one? "Black Eyed Peas retooled their song "Let's Get Retarded" for commercials for the 2004 NBA Playoffs. What did they rename it?"

38% knows the answer to this question: "A hexagon with each side 5 feet long, what is the perimeter? "

And do you know the answer to this one? "Safer to navigate than the Drake Passage, the Strait of Magellan separates Tierra del Fuego from the rest of what continent?"

32% knows the answer to this question: "Who invented the telescope? "

And do you know the answer to this one? "Which of these borders Spain in the north?"

88% knows the answer to this question: "What does Rio de Janeiro literally mean? "

And do you know the answer to this one? "Which of these was an 80s TV series?"

84% knows the answer to this question: "Who was Edward Jenner? "

And do you know the answer to this one? "What was the name of the Swedish chemist, engineer and innovator who invented dynamite in 1866?"