83% knows the answer to this question: "Who was Leonardo da Vinci? "

And do you know the answer to this one? "Which of these places would you expect to be the coldest?"

55% 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?"

76% 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)?"

61% 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 = ?"

44% 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?"

89% knows the answer to this question: "On what reality TV show's third season did Emmitt Smith appear? "

And do you know the answer to this one? "What was the first name of Pasternak, a famous 1950s writer?"

65% 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?"

66% 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?"

91% knows the answer to this question: "Which type of beverage typically contains fruit? "

And do you know the answer to this one? "Frying small bits of meat and vegetables over very high heat with continual stirring produces what?"

54% knows the answer to this question: "What is a term which means the same as dizzy? "

And do you know the answer to this one? "Physical or emotional injuries that are severe and of sudden onset are called what?"

40% knows the answer to this question: "What is the word used for moving healthy skin from one area of the body to another? "

And do you know the answer to this one? "If Max has $60 and each shirt costs $15, how many shirts can Max buy?"

37% knows the answer to this question: "Arthur Miller passed away on 2/10/06, the anniversary of the opening of which of his plays? "

And do you know the answer to this one? "From where can you access data stored in a cloud?"