39% knows the answer to this question: "The lung transports which gas from the air into your bloodstream? "

And do you know the answer to this one? "What is the name used to describe any animal with a spine?"

47% knows the answer to this question: "Solve this equation for N: 2N = 66? "

And do you know the answer to this one? "The description "80 limestone caves, the deepest chambers in the world" best describes?"

79% knows the answer to this question: "In 1981, which of these became the first 24-hour cable network for music? "

And do you know the answer to this one? "What is the art of cutting into the surface of a material to give it a certain form called?"

60% knows the answer to this question: " The Euro Disney Resort officially opened in 1992 in what country? "

And do you know the answer to this one? "Who was Third Prime Minister of India?"

94% knows the answer to this question: "What is the official airline of Australia? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

42% knows the answer to this question: "Who is Mikhail Gorbachev? "

And do you know the answer to this one? "What was the first name of Marx, a German communist philosopher?"

58% knows the answer to this question: "Jazz legend John Birks Gillespie was more famously known by his nickname of what? "

And do you know the answer to this one? "Which animal is a small mammal with a spiny coat?"

35% knows the answer to this question: "Who had the hit 60's song "Good Vibrations" on Capitol? "

And do you know the answer to this one? "What was the name of the August 2005 hurricane that damaged New Orleans?"

30% knows the answer to this question: "Which rose color means "I love you"? "

And do you know the answer to this one? "Which mountains are the only ones in India to have snow-capped peaks?"

49% knows the answer to this question: "What stone used in sculpture takes a high polish and has veins and coloring from impurities? "

And do you know the answer to this one? "What type of animal is a guppy?"

40% knows the answer to this question: "Where would a French child wear "un pyjama"? "

And do you know the answer to this one? "In which country did the first zeppelin flight occur?"

76% knows the answer to this question: "The amount of mineral matter per square centimetre of bones is known as what? "

And do you know the answer to this one? "When the ... gets tough, the tough get going"