35% knows the answer to this question: "What was the occupation of Leonardo da Vinci? "

And do you know the answer to this one? "What 1976 BBC documentary noticed how, strangely, Richard Nixon, Edward Heath, Kakuei Tanaka and Prince Bernhard of the Netherlands all fell from power in the early 70s after receiving what gift from China?"

46% knows the answer to this question: "What are the pictures that explain the story in a book called? "

And do you know the answer to this one? "Finish this line of Cream lyrics: "I've been waiting so long - To be where I'm going - In the Sunshine of ___________"."

43% knows the answer to this question: "Which one these continent, country and capital groups is correct? "

And do you know the answer to this one? "Which country consists of over 7000 islands?"

78% knows the answer to this question: "Which word describes a painting of water? "

And do you know the answer to this one? "Complete the The Rolling Stones hit song title, "Get Off of My ..."?"

87% knows the answer to this question: "As Florida baseball fans may know, what sort of animals are marlins and devil rays? "

And do you know the answer to this one? "Which song was a hit single for ABBA in 1978?"

49% knows the answer to this question: "What sort of ships are the Vikings famously known to have used? "

And do you know the answer to this one? "The Prohibition was a ban against what product?"

79% knows the answer to this question: "What language is spoken most widely in Saudi Arabia? "

And do you know the answer to this one? "In what country was Joan of Arc born?"

87% knows the answer to this question: "Who sang the famous song ”I Walk the Line” (1956)? "

And do you know the answer to this one? "Who sang the famous song ”Over the Rainbow” (1939)?"

70% knows the answer to this question: "What word refers to "the exchange of money for goods and/or services"? "

And do you know the answer to this one? "Ida Siekmann was the first of many people killed here, when she tried to jump the wall from her third floor apartment at 48 Bernauer Strasse. Where was this?"

88% knows the answer to this question: "When it's farmed, which of these fish has to be fed chemicals to turn it pink, since it can't feed on the shrimp it eats in the wild? "

And do you know the answer to this one? "What are you eating if you're enjoying escargot?"

37% knows the answer to this question: "What does the Statue of Liberty hold in her right hand? "

And do you know the answer to this one? "In England and Canada, many people put acetic acid on their "chips." What is acetic acid?"

66% knows the answer to this question: "What is the name of the 1949 international agreement that regulates the treatment of those wounded in war, and the basic rights of prisoners of war? "

And do you know the answer to this one? "A Pharaoh was a ruler of which ancient land?"