89% knows the answer to this question: "Who ya gonna call? A lawyer! What movie was sued by the Caspar the Friendly Ghost people and got theme-song writer Ray Parker Jr sued by Huey Lewis and the News? "

And do you know the answer to this one? "What is the unit of weight by which a gemstone is measured?"

69% knows the answer to this question: "Felis cattus is the scientific name for which animal? "

And do you know the answer to this one? "Swollen gums, gums that are tender and bleeding are signs of what disease?"

82% knows the answer to this question: "Vincent Van Gogh's famous painting of a night sky with swirling yellow stars is called what? "

And do you know the answer to this one? "The book "The Time Machine" was written by whom?"

44% knows the answer to this question: "What do red blood cells carry throughout the body? "

And do you know the answer to this one? "What type of fur would a saber-tooth cat most likely have had?"

39% knows the answer to this question: "What is 0.6 as a percentage? "

And do you know the answer to this one? "What is 72 halved?"

51% knows the answer to this question: "Who sang the famous song "Ballerina" (1948)? "

And do you know the answer to this one? "On what reality TV show's third season did Emmitt Smith appear?"

94% knows the answer to this question: "Which of these European countries has the highest population? "

And do you know the answer to this one? "The quarries of Carrara in Italy are famed for what stone?"

76% knows the answer to this question: "If a cup of coffee costs $3.00, how much will it cost you to buy 1 cup of coffee a day for 1 week? "

And do you know the answer to this one? "What is the answer to this simple equation: 19 + 19 + 19 = ?"

64% knows the answer to this question: "Which movie is about a bored married couple surprised to learn that they are both assassins? "

And do you know the answer to this one? "Which year was the movie 'Gone with the Wind' made?"

56% knows the answer to this question: "Who wrote the opening to "California Girls" the first time he took acid? "

And do you know the answer to this one? "While fighting with Annie Lennox, Dave Stewart reprogrammed a computer drum machine, accidentally reversed a synthesized bass line and thus created what song's killer riff?"

52% knows the answer to this question: "What is the capital and largest city of both England and of the United Kingdom? "

And do you know the answer to this one? "Who were Yul Brynner (Chris), Steve McQueen (Vin), Horst Buchholz (Chico), Charles Bronson (Bernardo), Robert Vaughn (Lee), Brad Dexter (Harry) and James Coburn (Britt)?"

50% knows the answer to this question: "What element was named after the planet Uranus? "

And do you know the answer to this one? "What medieval plague killed off so much of Europe that those left behind had higher wages and more disposable income, which they used on linen clothes, which meant an abundance of rags, dropping the cost of paper over parchment, so it became economical for German goldsmith Johann Gansfleisch, better known by his mother's name of Gutenberg, to invent printing?"