65% knows the answer to this question: "What completes the title of Alistair MacLean's 1957 novel, "The Guns of"? "

And do you know the answer to this one? "What term means the territory taken up by a surface?"

88% knows the answer to this question: "In photography, what action is used to get closer to an object without physically moving? "

And do you know the answer to this one? "A unit of electromotive force is called what?"

39% knows the answer to this question: "The tube called the ureter connects the kidney to which organ? "

And do you know the answer to this one? "What is the name of the complementary medicine involved with smells?"

66% knows the answer to this question: "Which birds are traditionally associated with Trafalgar Square in London? "

And do you know the answer to this one? "Who founded the Mongol Empire and became one of the most feared conquerors of all time?"

53% knows the answer to this question: "What is the most northern point on Earth? "

And do you know the answer to this one? "Incandescent is a word used to describe a type of what?"

58% knows the answer to this question: "What was the first name of silent movie star Jolson who died in 1950? "

And do you know the answer to this one? "Which American state saw the eruption of the Kilauea volcano in 1959?"

77% knows the answer to this question: "What animal spreads Zika virus? "

And do you know the answer to this one? "Approximately how long is the Mississippi river?"

62% knows the answer to this question: "Apart from the toga, what was the main article of Roman fashion? "

And do you know the answer to this one? "What did American Harland Sanders invent?"

93% knows the answer to this question: "Which weapon was used by Aboriginal Australians? "

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

57% knows the answer to this question: "Descended from a wealthy aristocratic family, the young Plato joined the group of disciples of a famous philosopher who influenced him profoundly. Who was his teacher? "

And do you know the answer to this one? "Prince Rainer, leader of which small country, died in 2005?"

34% knows the answer to this question: "Who is considered the father of medicine who is credited with an oath that is still pronounced by young physicians that establishes the fundamental principles of the discipline? "

And do you know the answer to this one? "Who was Vladimir Lenin?"

54% knows the answer to this question: "Who directed the 1958 movie Touch of Evil? "

And do you know the answer to this one? "Who was Charles de Gaulle?"