33% 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?"

53% knows the answer to this question: "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? "

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

84% 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?"

82% knows the answer to this question: "Insects gather nectar from plants and store it in a special stomach, until it is time to be regurgitated in new form. So, what is honey? "

And do you know the answer to this one? "The positive terminal is a copper anode with a high voltage and the negative terminal is an iron anode with a low voltage. What is this?"

40% knows the answer to this question: "What is a fifth of 40? "

And do you know the answer to this one? "What is the capital of Japan and the most populous metropolitan area in the world?"

89% knows the answer to this question: "Which company invented Nylon? "

And do you know the answer to this one? "What holds root, and therefore the plant, to the ground? "

58% knows the answer to this question: "What is the largest land animal? "

And do you know the answer to this one? "Which country with a total area of 2,381,740 square kilometers has Algiers as its capital city?"

32% knows the answer to this question: "Which of these celebrities publically endorsed Barack Obama in early 2008? "

And do you know the answer to this one? "Which of these meals does not contain protein?"

77% knows the answer to this question: "In which bay is Alcatraz located? "

And do you know the answer to this one? "Which is the only continent without snakes or reptiles?"

75% knows the answer to this question: "Finish the name of the hard rock band: Van ______. "

And do you know the answer to this one? "What is the name of the toy which is a decompressed helical spring?"

37% knows the answer to this question: "What is the difference between 12 and 3? "

And do you know the answer to this one? "What is the largest single digit number?"

73% knows the answer to this question: "In which Elvis hit does he say "You ain't never caught a rabbit and you ain't no friend of mine"? "

And do you know the answer to this one? "In 1991, who won the MTV Best Long-Form Video Award for "Immaculate Collection"?"