47% 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)?"

53% 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?"

95% knows the answer to this question: "Placing a green tomato into a paper bag helps it to do what? "

And do you know the answer to this one? "Which of the following is used to whip cream?"

59% knows the answer to this question: "... while the iron is hot "

And do you know the answer to this one? "Great ... think alike"

46% knows the answer to this question: "Which island is to the south of Australia? "

And do you know the answer to this one? "Which of the following countries has never won the World Cup?"

95% knows the answer to this question: "What famous Italian landmark is known for not standing up straight? "

And do you know the answer to this one? "People who are lactorse intolerant have to avoid which products?"

87% knows the answer to this question: "What is a person who poses for a painter called? "

And do you know the answer to this one? "The business district of Canary Wharf, in London, is located on which river?"

68% knows the answer to this question: "What fashionable shopping avenue divides the East Side of New York City from the West Side? "

And do you know the answer to this one? "After a long legal battle, the Greeks won EU protection for what brined curd cheese?"

32% knows the answer to this question: "A mole is classified as which type of animal? "

And do you know the answer to this one? "Which breed of dog is used for hunting upland birds?"

74% 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?"

76% 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?"

65% 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?"