87% knows the answer to this question: "Which of these US states has the highest population? "

And do you know the answer to this one? "What is a quarter of 24?"

50% knows the answer to this question: "What device consists of one or more cells that produce direct current? "

And do you know the answer to this one? "What gives blue cheese its color?"

57% knows the answer to this question: "What is 23 added to 88? "

And do you know the answer to this one? "Which country, capital Bangkok, used to be called Siam?"

54% knows the answer to this question: "The failure to produce enough insulin leads to which medical condition? "

And do you know the answer to this one? "In what country would you find the world's third-longest river, the Yangtze?"

64% knows the answer to this question: "What 1993 movie included the characters named Casey Wong and RoboCop? "

And do you know the answer to this one? "If you were lying on Copacabana Beach, which B would you be in?"

86% knows the answer to this question: "What was the first name of Mr Tell, who in 1307 shot an apple from his son's head? "

And do you know the answer to this one? "Enro Rubik became a Communist millionaire thanks to what invention?"

58% knows the answer to this question: "What is 10% of 80 plus 7? "

And do you know the answer to this one? "How long is a decade?"

84% knows the answer to this question: "What kind of disorder was previously known as manic depression? "

And do you know the answer to this one? "Which species of bird is the smallest?"

74% knows the answer to this question: "What is the state abbreviation for Pennsylvania? "

And do you know the answer to this one? "Which of these is the state abbreviation for Kansas?"

39% knows the answer to this question: "Liverpool is a city in which European country? "

And do you know the answer to this one? "Jerk chicken, fried plantains and mango ice cream are popular foods of what country's cuisine?"

33% knows the answer to this question: "In 1935, Hugh Troy slipped some corned beef into an art exhibit at the Met and claimed it was what artist's severed ear? "

And do you know the answer to this one? "What is a 10-letter word meaning "hard coal"?"

68% knows the answer to this question: "What is 11 plus two dozen? "

And do you know the answer to this one? "What is 50% of 76?"