45% knows the answer to this question: "What is athlete John McEnroe's real name? "

And do you know the answer to this one? "Match species with this description, "brightly-colored, flattened fish that live in shallow warm waters"?"

64% knows the answer to this question: "What is table salt's chemical name? "

And do you know the answer to this one? "Complete the name of this famous person - Coco _____"

58% knows the answer to this question: "What is the name of the large coral reef off Australia's shore? "

And do you know the answer to this one? "Patron is a luxury brand of what Mexican booze, and is sold in hand-blown individually numbered bottles?"

38% knows the answer to this question: "What disease was initially called GRID, or gay-related immunodeficiency disease? "

And do you know the answer to this one? "Which best describes the Great Barrier Reef?"

70% knows the answer to this question: "What vegetable looks like a tiny head of cabbage? "

And do you know the answer to this one? "What is the name given to the protective transparent finish applied in a liquid state to a surface?"

44% knows the answer to this question: "The 1891 Treaty of Madrid forced many countries to agree that real champagne has to come from Champagne, in the northeast of what country? "

And do you know the answer to this one? "Which U.S. state was named for William Penn?"

51% knows the answer to this question: "What medical word refers to the heart? "

And do you know the answer to this one? "What is the missing word: Every man has his ..."

95% knows the answer to this question: "Which soft leather shoes were worn by many indigenous peoples of North America? "

And do you know the answer to this one? "The ancient practice of foot binding was popular in what country?"

41% knows the answer to this question: "What comes in sheets and is used to make candles? "

And do you know the answer to this one? "What is the art of growing a miniature tree or trees in a low-sided pot or tray?"

78% knows the answer to this question: "Who invented the telephone? "

And do you know the answer to this one? "What word is a common substitute for the facsimile machine?"

87% knows the answer to this question: "Who sang the famous song ”Crazy” (1961)? "

And do you know the answer to this one? "Who sang the famous song ”Johnny B Goode” (1958)?"

58% knows the answer to this question: "Enro Rubik became a Communist millionaire thanks to what invention? "

And do you know the answer to this one? "What is artwork formed from the joining of fragments of cloth, magazines and other objects called?"