52% knows the answer to this question: "Where does Janet Leigh get stabbed to death in Alfred Hitchcock's Psycho? "

And do you know the answer to this one? "In the 1770s, what country was represented by Yankee Doodle, Brother Jonathan, or even Columbia?"

42% knows the answer to this question: "What is terracotta a type of? "

And do you know the answer to this one? "Mud, silt, and sand are all what?"

48% knows the answer to this question: "Which of these is not one of the boroughs that makes up the city of New York? "

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

67% knows the answer to this question: "What would a dyslexic have trouble doing? "

And do you know the answer to this one? "What kind of precipitation is drizzle?"

34% knows the answer to this question: "Which food is fat free and high in both Vitamin C and potassium? "

And do you know the answer to this one? "Which famous cereal is "Tony the Tiger" a mascot for?"

65% knows the answer to this question: "Which of these bands was composed of brothers? "

And do you know the answer to this one? "Which of these is not one of the UK's major products?"

33% knows the answer to this question: "Which one of these doesn't belong here? "

And do you know the answer to this one? "What northern Iraqi ethnic group fought against Saddam Hussein's Republican Guard in 1991 and again in 2003?"

92% knows the answer to this question: "A fireman worked in which part of a ship? "

And do you know the answer to this one? "What is the native language of Vietnam?"

50% knows the answer to this question: "Because bakers were worried about shortchanging customers, how many loaves are there in a baker's dozen? "

And do you know the answer to this one? "Canterbury is a city in which of these countries?"

83% knows the answer to this question: "Which of these is the largest gulf in the world? "

And do you know the answer to this one? "This animal's memory isn't so special, it doesn't die en masse in graveyards, and it's not so much that they're scared of mice, but that they can be surprised by them in confined spaces. What are these pachyderms?"

76% knows the answer to this question: "Two famous single malts, Glenfiddich and the Glenlivet, come from Speyside. Where is this? "

And do you know the answer to this one? "The cathedral Notre Dame is located in which European city?"

37% knows the answer to this question: "What animal is a flat fish with no bones, only cartilage? "

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