42% knows the answer to this question: "What type of "curtain" divided communist Europe from western Europe? "

And do you know the answer to this one? "What is the system consisting of the Earth's sun and the eight planets orbiting it called?"

57% knows the answer to this question: "Three tiny bones called ossicles are nicknamed the hammer, anvil and stirrup. And they are indispensable. To what? "

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?"

88% knows the answer to this question: "In which of these countries could you see the big five safari animals? "

And do you know the answer to this one? "Which animal is not a mammal?"

42% knows the answer to this question: "In what novel does high-class Holly Golightly turned out to be plain-old Lula Mae Barnes? "

And do you know the answer to this one? "Which of these golden titles is not the title of a James Bond movie?"

55% knows the answer to this question: "During which civil war did the battle of 'Gaines' Mill' take place? "

And do you know the answer to this one? "Which of these is a 1957 song by Dale Hawkins?"

79% knows the answer to this question: "Which hot green paste, often served with sushi and sashimi, is called "Japanese Horseradish"? "

And do you know the answer to this one? "What term is used for an adult chicken that lays eggs?"

90% knows the answer to this question: "What is American soul and R&B singer Marie Dionne's surname? "

And do you know the answer to this one? "Who "left the building" ... for good ... after his last concert, on June 26, 1977, at Market Square Arena in Indianapolis?"

59% knows the answer to this question: "In November of 1994, a letter by Ronald Reagan announcing that he has what disease was released? "

And do you know the answer to this one? "A unit of measure relates cars to the power of what?"

43% knows the answer to this question: "The Champs-Élysées is a famous part of which European city? "

And do you know the answer to this one? "What kind of animal provides meat frequently used in Mexican cooking?"

62% knows the answer to this question: "What are whale nostrils called? "

And do you know the answer to this one? "What country's symbols include the sakura (cherry blossom) and the kiji (pheasant)?"

40% knows the answer to this question: "Which Italian city was destroyed when Mount Vesuvius erupted? "

And do you know the answer to this one? "Which of these great world leaders was Macedonian?"

33% knows the answer to this question: "Where did Napoleon Bonaparte suffer his last defeat? "

And do you know the answer to this one? "Which of these was known as the official London residence of Queen Elizabeth II of England?"