58% knows the answer to this question: "What is the common name for the country that is officially called the Swiss Confederation? "

And do you know the answer to this one? "Which TV sitcom centred around a mother and her five children?"

77% knows the answer to this question: "Grace Kelly married the Prince of which country in 1956? "

And do you know the answer to this one? "Who sang the famous song "California Girls" (1965)?"

89% knows the answer to this question: "Who sang the famous song "There’ll Be Some Changes Made" (1941)? "

And do you know the answer to this one? "13th century explorer Marco Polo was from which country?"

59% knows the answer to this question: "When would you find yourself taking a polygraph? "

And do you know the answer to this one? "Hepatitis happens when it gets inflamed, cirrhosis when its tissues get scarred, and jaundice when a blocked duct overloads your blood with bilirubin. What is it?"

64% knows the answer to this question: "What is 106 add 32? "

And do you know the answer to this one? "Which is the smallest of the US' 50 states?"

46% knows the answer to this question: "Which country started building a Great Wall around 500 years BC? "

And do you know the answer to this one? "The Chinese developed what fabric from worms? "

62% knows the answer to this question: "What is a leek? "

And do you know the answer to this one? "The seventh month of the year is called? "

75% knows the answer to this question: "Found on the human body, especially the face, what is another name for lentigines? "

And do you know the answer to this one? "What do we call the study of the human body?"

54% knows the answer to this question: "Who played Capt. Jack Sparrow in Disney's "Pirates of the Caribbean" movies? "

And do you know the answer to this one? "Krishna and Vishnu are Hindu gods worshipped in which of these countries?"

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?"

69% 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?"

31% 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)?"