68% 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)?"

93% 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?"

31% knows the answer to this question: "Which geographical feature can contain meanders and rapids? "

And do you know the answer to this one? "A 1562 ordinance against public ostentation turned what city's famous gondolas black?"

63% 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?"

83% knows the answer to this question: "What food might your doctor prescribe as a remedy for urinary tract infection? "

And do you know the answer to this one? "He died in 1965, but he and his daughter won the 1991 Grammy for Best Record anyway. Who is he?"

80% knows the answer to this question: "Queen Elizabeth II celebrated which jubilee in 2013? "

And do you know the answer to this one? "Haggis is a foodstuff associated in which country?"

38% knows the answer to this question: "The Louisiana Purchase was a transaction between France and which other country? "

And do you know the answer to this one? "Per the James Cain book, and per the twice-made movie, how many times does the postman always ring?"

49% knows the answer to this question: "Matt sees 5 patients an hour and works 32 hours a week. How many patients does he see? "

And do you know the answer to this one? "What type of fish can be Brown, Speckled or Rainbow?"

69% knows the answer to this question: "What is the pigment that colours skin? "

And do you know the answer to this one? "The famous ski resort in Colorado is called what?"

36% knows the answer to this question: "In 1929, what did Clarence Birdseye introduce? "

And do you know the answer to this one? "What is the missing word: Do not put the cart before the ...."

69% knows the answer to this question: "In what US state can you watch a show on Broadway? "

And do you know the answer to this one? "A toy dog breed and any mostly gray cat are both known by what Mediterranean name?"

31% knows the answer to this question: "Who sang the famous song "All You Need Is Love" (1967)? "

And do you know the answer to this one? "Who sang the famous song "See You Later Alligator" (1956)?"