81% knows the answer to this question: "What shape is the Washington, D.C. Department of Defense headquarters which opened in 1943? "

And do you know the answer to this one? "Where was Premier Milka Planinc in power from 1982-1986?"

75% knows the answer to this question: "Far from being sold into the trade as children, many of today's geisha are unionised. Where would you hire one? "

And do you know the answer to this one? "What is a high-water mark?"

64% knows the answer to this question: "In the Dr. Seuss story, what did the Grinch try to steal? "

And do you know the answer to this one? "Going on a "Ring Around the Rosie" there's a pocket full of what?"

31% knows the answer to this question: "Which term matches "the group of musicians which accompany a staged presentation"? "

And do you know the answer to this one? "What is a young stallion called?"

52% knows the answer to this question: "Heart monitors built into what are now readily available? "

And do you know the answer to this one? "Which of these is not a popular ice cream topping?"

90% knows the answer to this question: "Mycologists can tell you whether you can eat this food, or whether it is a poisonous toadstool. What is it? "

And do you know the answer to this one? "Who sang the famous song "Purple Rain" (1984) ?"

38% knows the answer to this question: "In ancient times, the Roman Colosseum was used for what types of events? "

And do you know the answer to this one? "In 1974, Elton John formed his own record label, called what?"

73% knows the answer to this question: "Who won the Spanish-American War? "

And do you know the answer to this one? "Which golf term is defined as the "area of grass surrounding the putting surface"?"

65% knows the answer to this question: "... will never cease "

And do you know the answer to this one? "How else could you say "a drug used to prevent seizures"?"

40% knows the answer to this question: "What seafaring warriors traveled the Oder River in Poland during the Middle Ages? "

And do you know the answer to this one? "Which compass direction is the opposite of West?"

37% knows the answer to this question: "Which of these does the British and Australian term "bloke" describe? "

And do you know the answer to this one? "... Morrison?"

37% knows the answer to this question: "Which actress daughter of Henry was known as Hanoi Jane in the '70's? "

And do you know the answer to this one? "Doctors often abbreviate general anaesthetic to which two letters?"