48% knows the answer to this question: "Bono is the singer of what rock group? "

And do you know the answer to this one? "What U.S. state declared independence from Mexico in 1836?"

82% knows the answer to this question: "The Friedrichshafen G.III plane was used predominately by which country in World War I? "

And do you know the answer to this one? "The Cape Colony's chief gemologist said that Schalk van Niekerk's diamond was just a pebble. Where was he?"

77% knows the answer to this question: "Which continent has the lowest population? "

And do you know the answer to this one? "What Italian lemon liqueur is served in chilled ceramic cups along the Amalfi Coast?"

44% knows the answer to this question: "The most famous gunfight in the history of the Old West took place on 26 October 1881 in Tombstone, Arizona. What is the name of the building where it happened? "

And do you know the answer to this one? "In television technology, what was introduced in 1971 and is represented by the acronym VCR?"

38% knows the answer to this question: "Who sang the song, "Blueberry Hill"? "

And do you know the answer to this one? "Who sang the famous song "We Gotta Get Out of This Place" (1965)?"

44% knows the answer to this question: "Who was the first Norman King of England, reigning from 1066 until his death in 1087? "

And do you know the answer to this one? " In 2013, which leaders uncle came to a sticky end?"

61% knows the answer to this question: "What were the Boston Tea Party protestors unhappy about? "

And do you know the answer to this one? "Which London airport has 5 terminals?"

89% knows the answer to this question: "In 2014, the African National Congress was again triumphant in which country's general election? "

And do you know the answer to this one? "What is the more common term for the cosmetic procedure of abdominoplasty?"

66% knows the answer to this question: "How did King Mithridates VI of Pontus develop a resistance to poison in case an attempt was made to poison him? "

And do you know the answer to this one? "What did Pablo Escobar build his empire on?"

58% knows the answer to this question: "How many ropes were needed for double Dutch skipping? "

And do you know the answer to this one? "Which country did the U.S. agree to ease restrictions on in 1999?"

87% knows the answer to this question: "In 1918, which killed at least 50 million people around the world? "

And do you know the answer to this one? "What natural disaster is caused by earthquakes but could also be caused by an asteroid?"

35% knows the answer to this question: "The city of Osaka is located in which country? "

And do you know the answer to this one? "What is a historically important international trade route between China and the Mediterranean?"