44% knows the answer to this question: "What do indefinite pronouns refer to? "

And do you know the answer to this one? "During the American civil War, in which year did the battle of 'Santa Rosa Island' take place?"

82% knows the answer to this question: "A purple stripe on a Roman tunic was a sign of what? "

And do you know the answer to this one? "Why would you want a HVAC system for your house?"

54% knows the answer to this question: "Which famous musician disappeared whilst onboard a plane in 1944? "

And do you know the answer to this one? "Who had hit songs doing duets with Michael Jackson and Stevie Wonder in the 1980s?"

91% knows the answer to this question: "Hydrogen is the first element on the periodic table. What is the second? "

And do you know the answer to this one? "The scale like bark is a characteristic of which plant?"

88% knows the answer to this question: "What word means a reckless adventure? "

And do you know the answer to this one? "Who was the great middleweight boxer nicknamed "Marvelous"?"

71% knows the answer to this question: "What was the name of the leader of the Protestant sect the Branch Davidians, who was killed in the Waco Siege of 1993? "

And do you know the answer to this one? "Bill Murray is uncredited in what movie, in which Dustin Hoffman plays Michael Dorsey and Dorothy Michaels?"

55% knows the answer to this question: "In "Charlie and the Chocolate Factory", what color ticket does Charlie find? "

And do you know the answer to this one? "Which novel, by Kate DiCamillo, is about a homeless dog who helps a young girl make friends?"

67% knows the answer to this question: "What are the colors obtained by mixing equal amounts of two primary colors called? "

And do you know the answer to this one? "Top of the morning to you! Look at the flag of the Ivory Coast in the mirror, and you'll see the flag of what old sod?"

56% knows the answer to this question: "Which of these phrases best describes conflict? "

And do you know the answer to this one? "What US state's name is said to come from the Spanish for "dry zone" but more probably comes from a Papago Indian word for "small stream"?"

39% knows the answer to this question: "What does the caged bird sing of in "I Know Why the Caged Bird Sings"? "

And do you know the answer to this one? "When "Old Mother Hubbard" bought her dog a wig, what did he do?"

81% knows the answer to this question: "Which of these dishes is made with an Italian rice called arborio? "

And do you know the answer to this one? "A calzone is like what food, folded over?"

53% knows the answer to this question: "Which area in Denmark is predominately made from colored plastic blocks? "

And do you know the answer to this one? "Which European nation originally colonized the United States?"