39% knows the answer to this question: "What is the branch of medicine that is concerned with aging and the elderly? "

And do you know the answer to this one? "Any muscle in the human body that caused it to bend is called a what?"

81% knows the answer to this question: "Which person is known for this: "leader of the U.S.S.R."? "

And do you know the answer to this one? "What animal lugs around a giant hump of fat and has a third eyelid to protect their eyes from sand?"

69% knows the answer to this question: "Which state used to have "Golden State" on its vehicle license plates? "

And do you know the answer to this one? "Complete the name of The Monotones' 1958 song 'Who ____ The Book Of Love'."

70% knows the answer to this question: "What is the state abbreviation for Nebraska? "

And do you know the answer to this one? "What was the name of the Parisian prison which was stormed, marking the start of the Revolution?"

50% knows the answer to this question: "El Morro is a national park in which state? "

And do you know the answer to this one? "Which of the following is NOT a flavour of Nesquik milkshakes?"

44% knows the answer to this question: "When a bit of sand gets trapped inside a shellfish, it fights the irritation with nacre, which it gets from calcite in seawater. What treasure results? "

And do you know the answer to this one? "What is the name of the holes in the nose?"

70% knows the answer to this question: "How many in a pair? "

And do you know the answer to this one? "What is next in this number pattern: 3, 6, 9, 12... ?"

41% knows the answer to this question: "Scallop is a type of what? "

And do you know the answer to this one? "What year did Clinton get acquitted of impeachment charges?"

55% knows the answer to this question: "The ancient Egyptians built the pyramids for what purpose? "

And do you know the answer to this one? "In 2012, the 634-meter Tokyo Skytree building opened in which country?"

92% knows the answer to this question: "What would a cook use a "mandoline" for? "

And do you know the answer to this one? "I'm a music producer who finally left his job as a judge on "American Idol" in 2010. Who am I?"

84% knows the answer to this question: "Which of the following is the title of a Woody Allen film? "

And do you know the answer to this one? "Who directed the Oscar winning film 'A Beautiful Mind'?"

46% knows the answer to this question: "What emperor, Russia's first, died when he leaped into the cold Gulf of Finland to save some drowning sailors? "

And do you know the answer to this one? "How many times has an Atomic Bomb been used in history?"