48% knows the answer to this question: "Which of these is the longest river in the world? "

And do you know the answer to this one? "What is a state of poor nourishment?"

50% knows the answer to this question: "Simon & Garfunkel had which hit single in 1968? "

And do you know the answer to this one? "A coronary care unit looks after people suffering difficulties with which organ?"

47% knows the answer to this question: "The 26th Amendment to the Constitution in 1971 lowered voting age from 21 to what? "

And do you know the answer to this one? "In what state was John F Kennedy assassinated?"

81% knows the answer to this question: "Which state is bigger than Texas? "

And do you know the answer to this one? "Which of these is a real state?"

49% knows the answer to this question: "According to the lyrics of Sheryl Crows 1993 hit, All I Wanna Do, what is it that is all she wants to do? "

And do you know the answer to this one? "What does MTV stand for?"

71% knows the answer to this question: "What body of water separates England from the mainland of Europe? "

And do you know the answer to this one? "Finish The Lyric: "Speaking words of wisdom"?"

61% knows the answer to this question: "Hong Kong was returned to which country by the British in 1997? "

And do you know the answer to this one? "Musician Louis Armstrong was famous for playing which instrument?"

51% knows the answer to this question: "Which colors would you choose to create a collage picture of a sunset? "

And do you know the answer to this one? "Which of these are ceremonial objects of African tribal art that might also be worn on Halloween?"

76% knows the answer to this question: "What does the S stand for in NASA, established in 1958? "

And do you know the answer to this one? "Which aeronautical term refers to an airplane that has three similar-sized pairs of wings?"

70% knows the answer to this question: "Which city has the nickname 'The City by the Bay'? "

And do you know the answer to this one? "What is the capital of Jamaica?"

68% knows the answer to this question: "What railway, the world's longest, as of 2010, moves over 5,700 miles of Russia? "

And do you know the answer to this one? "What type of paint uses water as a solvent?"

86% knows the answer to this question: "What would you be looking for in China if you asked for Wanli Changcheng? "

And do you know the answer to this one? "What was the first name of US President Truman, who suffered an assassination attempt in 1950?"