94% knows the answer to this question: "Which major river flows north through Africa and empties in the Mediterranean Sea? "

And do you know the answer to this one? "Which famous tourist attraction can be viewed from the 'Maid of the Mist'?"

51% knows the answer to this question: "Einstein's E=mc2 equation is known as the theory of what? "

And do you know the answer to this one? "In what country was the famous artist Leonardo da Vinci born?"

31% knows the answer to this question: "Yellowstone Lake is in which national park? "

And do you know the answer to this one? "Sixteen Adipose are in a basket. If one gets out and two more gets in, how many are in the basket now?"

89% knows the answer to this question: "What is the unit of weight by which a gemstone is measured? "

And do you know the answer to this one? "Who ya gonna call? A lawyer! What movie was sued by the Caspar the Friendly Ghost people and got theme-song writer Ray Parker Jr sued by Huey Lewis and the News?"

67% knows the answer to this question: "Which number is odd? "

And do you know the answer to this one? "What is the expected time an organism will live called?"

81% knows the answer to this question: "In which country might you expect to see women wearing saris? "

And do you know the answer to this one? "Which wall was the physical manifestation of Europe's 'Iron Curtain'?"

73% knows the answer to this question: "The practice of acupuncture originated in which country? "

And do you know the answer to this one? "Angina is pain felt in which part of the body?"

95% knows the answer to this question: "The U.S. invaded Afghanistan in 2001 to topple what government? "

And do you know the answer to this one? "What breed of dogs originated in Afghanistan?"

58% knows the answer to this question: "The guillotine was invented in which country? "

And do you know the answer to this one? "Which nurse tended soldiers in the Crimean War?"

71% knows the answer to this question: "What was the name of the huge German battleship that was destroyed in 1941, just 11 days after leaving harbor to harass supply convoys in the Atlantic? "

And do you know the answer to this one? "In the 200s AD, what country was broken up into a Three Kingdoms period: the Wu south, the Shu in the west and the powerful Wei in the north?"

65% knows the answer to this question: "Which former Prime Minister of Israel died in 2014? "

And do you know the answer to this one? "Who succeeded Lenin as leader of the Soviet Union upon Lenin's death in 1924?"

39% knows the answer to this question: "Which part of the Sistine Chapel is famously the main focal point? "

And do you know the answer to this one? "Prince William of the UK married whom in 2011?"