69% knows the answer to this question: "What type of drug causes an increase in urination? "

And do you know the answer to this one? "Which of these is the name of a skin disease, rather than a Tolkien character?"

36% knows the answer to this question: "What is 33 plus half a century? "

And do you know the answer to this one? "Omar and Jean have 78 acres of land between them. Jean owns 32 acres, so how many does Omar have?"

49% knows the answer to this question: "What did some Native American people use for needles and thread when making clothing? "

And do you know the answer to this one? "In 1904, Longacre Square in Manhattan was renamed for a building owned by a newspaper. What is it called today?"

48% knows the answer to this question: "Which US state did William Penn found? "

And do you know the answer to this one? "OS stands for _________?"

65% knows the answer to this question: "The great botanist Carl Linnaeus was born in which country? "

And do you know the answer to this one? "In which century was Shakespeare born?"

71% knows the answer to this question: "What is the deepest spot in the world? "

And do you know the answer to this one? "In which country is the town of Auxerre?"

89% knows the answer to this question: "Rogers and Hammerstein had a hit 50s musical about the south of which ocean? "

And do you know the answer to this one? "Which 'M' is the capital of Wisconsin?"

48% knows the answer to this question: "Which of these is a nickname for the Australian rugby union team?† "

And do you know the answer to this one? "1968 saw a number of classic sci-fi films, but which of these is not a sci-fi?"

84% knows the answer to this question: "Which of these countries has a monarchy? "

And do you know the answer to this one? "What is a grown male chicken called?"

73% knows the answer to this question: "If Anna's triplets were born in March 5th, 1990, when will the sum of their ages become 9? "

And do you know the answer to this one? "Julia gets a 3% pay rise on her salary of £20k. What's her new wage?"

60% knows the answer to this question: "What word means "assessed, examined for medical condition"? "

And do you know the answer to this one? "A substance that destroys living tissue is called what?"

89% knows the answer to this question: "Mount Fuji is in which country? "

And do you know the answer to this one? "Which country is home to the Okavango Delta, a rich source of African wildlife?"