41% knows the answer to this question: "What is electrical current that reverses its direction at a regular interval called? "

And do you know the answer to this one? "What are materials that come from the earth called?"

35% knows the answer to this question: "Canadian Environmental Law Association, founded in 1970, serves what region? "

And do you know the answer to this one? "A frisbee traveled 40m when it was first thrown and 8m the second time it was thrown. What was the total distance travelled?"

71% knows the answer to this question: "In which decade did the Cuban Missile Crisis take place? "

And do you know the answer to this one? "Caviar is fish eggs from which species?"

90% knows the answer to this question: "In 2005, Prince Charles married what woman? "

And do you know the answer to this one? "Which University did President George H.W. Bush graduate from in 1948?"

54% knows the answer to this question: "What is an estimate? "

And do you know the answer to this one? "If you take 100 away from 239 and then add 1, what does it equal?"

92% knows the answer to this question: "Tinnitus is a condition more commonly called what? "

And do you know the answer to this one? "The acronym EMS stands for what?"

38% knows the answer to this question: "Which South American mammal resembles a small llama? "

And do you know the answer to this one? "The Champs-Élysées is a famous part of which European city? "

80% knows the answer to this question: "Which of these is NOT native to Britain? "

And do you know the answer to this one? "In the song "Joy to the World," what kind of animal is Jeremiah, who "always had some mighty fine wine"?"

46% knows the answer to this question: "Which ancient country first developed writing? "

And do you know the answer to this one? "In what Middle Eastern country are Luxor, Hurghada and Alexandria popular tourist destinations?"

42% knows the answer to this question: "Which country lies directly south of Mongolia? "

And do you know the answer to this one? "Djibouti is the capital of which country?"

39% knows the answer to this question: "In which century was pioneering nurse and heroine of the Crimean War Mary Seacole born? "

And do you know the answer to this one? "What song did Barack Obama sing at a eulogy for Clementina Pinckney?"

67% knows the answer to this question: "Which US state was the second to enter the Union? "

And do you know the answer to this one? "Which is the complete name of famous criminal Barrow?"