93% knows the answer to this question: "Which of the following Presidents' First Lady was named Barbara? "

And do you know the answer to this one? "In 2013, a deadly train wreck took place in which country's Santiago de Compostela?"

31% knows the answer to this question: "Which Asian country exploded a nuclear bomb underground in 2013? "

And do you know the answer to this one? "In 2013, North Korea pulled out of a 60-year armistice with what country?"

61% knows the answer to this question: "What Russian emperor put down the streltsi (a Moscow version of the Beefeaters) after they rebelled while he was abroad in 1690s? "

And do you know the answer to this one? "Who was prime minister of Britain through most of World War II?"

42% knows the answer to this question: "The Kievan Rus were overwhelmed by the Golden Horde, which included what Turkic people, who share their name with both a sauce that's tasty on fish, as well as with the hard stuff that builds up on your teeth, if you don't brush afterward. What is it? "

And do you know the answer to this one? "Which country's parliament removed Viktor Yanukovych as President in 2014?"

90% knows the answer to this question: "In what year did France and Britain declare war on Germany? "

And do you know the answer to this one? "Where in the United States did an earthquake kill 700 people in 1906?"

40% knows the answer to this question: "What is the main element of skeletal structure? "

And do you know the answer to this one? "If a dose of medicine is three pills, and a bottle has 200 pills, how many full doses are there?"

62% knows the answer to this question: "In which area did the hippie movement first begin? "

And do you know the answer to this one? "Which of these comes first in the day?"

62% knows the answer to this question: "Tempera, oil and acrylic are all types of what? "

And do you know the answer to this one? "What part of the carrot is eaten as a vegetable?"

87% knows the answer to this question: "After World War II, into which parts was Germany divided? "

And do you know the answer to this one? "Which country is the state of Texas closest to?"

61% knows the answer to this question: "Whose famous tomb was opened in Egypt in 1922? "

And do you know the answer to this one? "In 16th- and 17th-century Europe, what class of people found ballroom dancing a popular pastime?"

82% knows the answer to this question: "These famous brothers both had F as a middle initial, standing for Fitzgerald or Francis, respectively. Who? "

And do you know the answer to this one? "Whose famous tomb was opened in Egypt in 1922?"

71% knows the answer to this question: "Where did the IRA declare a cease fire in 1994? "

And do you know the answer to this one? "Who was Julius Caesar?"