47% knows the answer to this question: "What is the height of the sea's surface generally called? "

And do you know the answer to this one? "Which story is about a woman dealing with the boss from hell at a stylish magazine?"

79% knows the answer to this question: "What would you do first with red and white lumps of "Play-Doh" to make a candy cane? "

And do you know the answer to this one? "Which species has very dense waterproof fur?"

78% knows the answer to this question: "What compound found in tap water is good for the teeth? "

And do you know the answer to this one? "In 2013, North Korea pulled out of a 60-year armistice with what country?"

39% knows the answer to this question: "What bear feeds almost entirely on bamboo? "

And do you know the answer to this one? "St. Patrick is the patron saint of which country?"

41% knows the answer to this question: "Who sang the famous song "We Will Rock You" (1977) ? "

And do you know the answer to this one? "Who sang the famous song "I Heard It Through The Grapevine" (1969) ?"

59% knows the answer to this question: "Where would a person speak Gaelic? "

And do you know the answer to this one? "What mountain range borders Italy on the north? "

34% knows the answer to this question: "Michael Jackson's first wife was whose daughter? "

And do you know the answer to this one? "What was the name of the Parisian prison which was stormed, marking the start of the Revolution?"

65% knows the answer to this question: "Which cliffs form part of the British coastline facing the Strait of Dover? "

And do you know the answer to this one? "What word means "pertaining to medical care"?"

42% knows the answer to this question: "Which of these is in the vegetables group? "

And do you know the answer to this one? "Originally in 1932, the Three Musketeers bar was three separate nougat bars, each a different flavor. Which of these was not one of them?"

54% knows the answer to this question: "What fictional character lived on a tropical island for 28 years? "

And do you know the answer to this one? "In a survey in the early 1990s, what French Riviera nation had the world's highest number of Rolls Royces per capita?"

42% knows the answer to this question: "What British animals were driven mad by a disease called bovine spongiform encephalopathy? "

And do you know the answer to this one? "Who got into Guinness for his record 15 roles in the film Chinese Zodiak, including director, producer, actor, fight choreographer and composer?"

36% knows the answer to this question: "Her last name, Gudmundsdottir, simply indicates who her dad is, while her first name means "birch" in Icelandic. Who is she? "

And do you know the answer to this one? "What type of endangered landscape surrounds the Amazon River?"