78% knows the answer to this question: "What is most of the Earth's surface covered with? "

And do you know the answer to this one? "Which of these countries is the odd one out?"

75% knows the answer to this question: "What is 6 June 1944 better known as? "

And do you know the answer to this one? "What was the name of the Soviet Union's infamous national security agency between 1954 and 1991?"

36% knows the answer to this question: "Which of these common flowers is grown as a crop to produce cooking oil? "

And do you know the answer to this one? "On which continent is Niagara Falls?"

48% knows the answer to this question: "California's famous film-making industry is in which area? "

And do you know the answer to this one? "Of these, which is the state abbreviation for Florida?"

82% knows the answer to this question: "Which President of North Korea ordered the execution of his own uncle in 2013? "

And do you know the answer to this one? "Who was Louis Pasteur?"

40% knows the answer to this question: "What continent is covered in ice? "

And do you know the answer to this one? "Which of these metals would be used in the manufacture of pipes, coins and electric wire?"

83% knows the answer to this question: "In the movie King Kong the giant ape climbs to the top of which building? "

And do you know the answer to this one? "For hundreds of years the currency of England shared its name with what unit of weight?"

57% knows the answer to this question: "How did President John Kennedy die? "

And do you know the answer to this one? "The Houses of Parliament is in which European country?"

71% knows the answer to this question: "In which European city is the Eiffel Tower located? "

And do you know the answer to this one? "Which term matches "a musical composition for two performers"?"

84% knows the answer to this question: "What was the name of the wife of President George H.W. Bush? "

And do you know the answer to this one? "Which of these cities is in Colorado?"

83% knows the answer to this question: "Which famous guitarist died in 1970? "

And do you know the answer to this one? "Mikhail Gorbachev called what British leader the "Iron Lady"?"

52% knows the answer to this question: "What type of picture does an artist get when using a camera? "

And do you know the answer to this one? "Which country launched the health care exchange for its Affordable Care Act in 2013?"