73% 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?"

87% 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?"

49% knows the answer to this question: "What is Stuart Little in the book "Stuart Little? "

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

45% knows the answer to this question: "What aninmal spreads Zika virus? "

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

60% 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?"

73% knows the answer to this question: "Which weapon was used by Aboriginal Australians? "

And do you know the answer to this one? "Movie director Aleksandr Ptushko was from which country?"

57% knows the answer to this question: "Prince Rainer, leader of which small country, died in 2005? "

And do you know the answer to this one? "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?"

81% 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?"

64% 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?"

56% knows the answer to this question: "Which of these states is smallest in terms of area? "

And do you know the answer to this one? "Earth completes a rotation on its own axis in how many hours?"

81% knows the answer to this question: "What government agency did J. Edgar Hoover take charge of in 1924? "

And do you know the answer to this one? "Which type of computer mouse uses an optical sensor with a light-emitting diode to illuminate the surface?"

56% knows the answer to this question: "What comes after: "He called for his pipe, and he called for his bowl, and..."? "

And do you know the answer to this one? "Which of the following is not a root vegetable?"