31% knows the answer to this question: "What letter was used to describe second World War German submarines? "

And do you know the answer to this one? "In which country were cuckoo clocks invented?"

44% knows the answer to this question: "In which country is the Taj Mahal situated? "

And do you know the answer to this one? "Eva Peron was First Lady of which country?"

78% knows the answer to this question: "Lima is the capital of which country? "

And do you know the answer to this one? "Manchester is a city In what European country?"

46% knows the answer to this question: "By definition, which of these will you not find on a BLT sandwich? "

And do you know the answer to this one? "When does a cat purr?"

68% knows the answer to this question: "Michael Jackson's first wife was whose daughter? "

And do you know the answer to this one? "Which French city is mainland Europe's largest?"

88% knows the answer to this question: "Which country with a total area of 43,094 square kilometers has Copenhagen as its capital city? "

And do you know the answer to this one? "Chop suey is a food item of what type of cuisine?"

84% knows the answer to this question: "Who did a farrier make shoes for? "

And do you know the answer to this one? "What is best described as a technology that transfers multiple signals over a single medium?"

87% knows the answer to this question: "Who sang the song, "I'm Every Woman"? "

And do you know the answer to this one? "What is the anti-choking procedure described by its inventor in a 1975 medical journal called?"

33% knows the answer to this question: "What is the name of the scale used to measure the size of earthquakes? "

And do you know the answer to this one? "What do you call a type of transaction where one item is exchanged for another?"

90% knows the answer to this question: "Who had the hit 60's song "These Boots Are Made For Walkin'" on Reprise? "

And do you know the answer to this one? "Pompeii in Italy is an ancient city that is preserved after what type of event?"

81% knows the answer to this question: "The name "Wisconsin" comes from what group of people? "

And do you know the answer to this one? "The Everglades is a large area of swampland in which US state?"

71% knows the answer to this question: "What well-known building in Asia symbolizes eternal love and is widely considered as one of the world's most beautiful buildings? "

And do you know the answer to this one? "The river Nile runs through which ancient land?"