48% knows the answer to this question: "Defined one way, they're high school dances, especially in the 1950s. Defined another way, they're a key ingredient in beer. What are they? "

And do you know the answer to this one? "The casing holding the insides of an egg is called what?"

73% knows the answer to this question: "Which geographical feature can contain meanders and rapids? "

And do you know the answer to this one? "Which part of the UK has the largest population?"

37% knows the answer to this question: "What is the post code known as in America? "

And do you know the answer to this one? "Who sang the famous song "Another Brick In The Wall" (1980)?"

79% knows the answer to this question: "Coffee mixed with whiskey and topped with whipped cream is called what? "

And do you know the answer to this one? "What links the White House with the Kremlin?"

93% knows the answer to this question: "What is the name of the presidential retreat 62 miles from Washington D.C.? "

And do you know the answer to this one? "A geyser is what?"

41% knows the answer to this question: "What word is used to describe crops and foodstuffs grown without chemicals? "

And do you know the answer to this one? "If you are from Switzerland, you are known as what?"

32% knows the answer to this question: "Name the movie - Two morons travel the country in a van that looks like a giant sheepdog on wheels. "

And do you know the answer to this one? "What restaurant chain do the "Golden Arches" represent?"

38% knows the answer to this question: "In 2007, only 1% of US yogurt purchases were made using this "national" technique. By 2013, that number was 35%. What is it? "

And do you know the answer to this one? "King Edward VIII gave up the throne in 1936 in order to do what?"

56% knows the answer to this question: "Which bird shares its name with a country? "

And do you know the answer to this one? "Who was a Fascist prime minister that came to power in 1922 and ruled Italy as an absolute dictator?"

74% knows the answer to this question: "The hit musical that became an Oscar winning movie in 2002 was? "

And do you know the answer to this one? "The largest sand desert in the world is the Rub al' Khali, which is what country's Empty Quarter?"

78% knows the answer to this question: "What microscope uses a magnetic field to view specimens? "

And do you know the answer to this one? "Most metals are grey in color; what is the only metal that is yellow?"

51% knows the answer to this question: "In what decade did World War II end? "

And do you know the answer to this one? "What politician did John Hinckley, Jr. try to assassinate outside the Washington Hilton Hotel on 30 March 1981?"