67% knows the answer to this question: "What was Princess Diana's last name? "

And do you know the answer to this one? "Ozzy Osbourne was the former lead singer of which band?"

30% knows the answer to this question: "Which type of pie is traditional at British Christmas feasts? "

And do you know the answer to this one? "What juice is used to keep fruits from turning brown due to exposure to air?"

54% knows the answer to this question: "In "The Santa Clause 3: The Escape Clause", who wants to take over Christmas? "

And do you know the answer to this one? "Which of these places has the highest population?"

86% knows the answer to this question: "How fast do you need to travel to go 150 miles in 3 hours? "

And do you know the answer to this one? "Which number is odd?"

70% knows the answer to this question: "Naples is in which country? "

And do you know the answer to this one? "The Four Seasons and Fergie both had different hits with songs with what same title?"

82% knows the answer to this question: "The membrane in the ear is named for what musical instrument? "

And do you know the answer to this one? "The definition of "outside the body" best fits which medical term?"

69% knows the answer to this question: "Vincent van Gogh's later self-portraits featured bandages, due to his having cut what off? "

And do you know the answer to this one? "What was the name of the currency in France before the euro?"

55% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "What is the term used to describe the inflammation of the brain?"

45% knows the answer to this question: "What is the most flexible muscle in the body? "

And do you know the answer to this one? "How else could you say "take up fluids, take in" in a medical context?"

44% knows the answer to this question: "A 'five o'clock shadow' is referring to which of these? "

And do you know the answer to this one? "During the American Revolution, militants dumped more than 92,000 pounds of tea into what city's harbor, enough for 18.5 million teabags?"

84% knows the answer to this question: "Who sang the song, "Vogue"? "

And do you know the answer to this one? "Who sang the famous song "Rehab" (2007)?"

89% knows the answer to this question: "In what year was Maggie Thatcher first elected UK Prime Minister? "

And do you know the answer to this one? "What are the body's smallest blood vessels called?"