81% knows the answer to this question: "The I in BMI stands for what? "

And do you know the answer to this one? "Who won the Nobel Peace Prize for his part in negotiating an end to US involvement in Vietnam?"

59% knows the answer to this question: "What is the name of the teeth which are sharp for cutting food? "

And do you know the answer to this one? "What does the M stand for in MRI scans?"

70% knows the answer to this question: "If you're talking about electricity, what does "DC" stand for? "

And do you know the answer to this one? "A variety of which of these flowers is often seen floating on a pond?"

85% knows the answer to this question: "Which company invented the frappuccino? "

And do you know the answer to this one? "On what continent is Ecuador situated?"

57% knows the answer to this question: "Which major harbor has a memorial to Hans Christian Anderson? "

And do you know the answer to this one? "In a 2010 Facebook popularity contest, Nickelback lost out to what cured cucumber?"

68% knows the answer to this question: "What country is shaped like a boot? "

And do you know the answer to this one? "What fiber comes from the cocoon of mulberry worms?"

73% knows the answer to this question: "Who sang the famous song "She’s Gone" (1976)? "

And do you know the answer to this one? "Who sang the famous song "Lay Down Sally" (1978)?"

82% knows the answer to this question: "Who sang the famous song "Ain’t Nothing Like The Real Thing" (1968)? "

And do you know the answer to this one? "Who sang the famous song "Judy’s Turn To Cry" (1963)?"

93% knows the answer to this question: "What is the name of the famous reef of the north coast of Australia? "

And do you know the answer to this one? "Which mythological Ancient Greek hero could be killed by wounding his heel?"

55% knows the answer to this question: "This band's 1978 album "Hot Streets" was its first not named numerically. What would it have been called if it had been? "

And do you know the answer to this one? "Which of these US lakes is the largest?"

42% knows the answer to this question: "What direction does a compass point? "

And do you know the answer to this one? "How do you write 0.324 as a fraction?"

39% knows the answer to this question: "What type of electric cells can be charged up again and again? "

And do you know the answer to this one? "What natural response would a human have to the cold?"