39% knows the answer to this question: "What European capital city was once two different towns, one on either side of the Spree River and became two cities again centuries later, when the Communists building a wall around the western half? "

And do you know the answer to this one? "When he said, "I am not a crook," who was talking about a personal finance scandal, not about Watergate?"

90% knows the answer to this question: "Who sang the famous song "Radio Radio" (1977)? "

And do you know the answer to this one? "Who sang the famous song "Hit The Road Jack" (1961)? "

81% knows the answer to this question: "What was Elvis Presley's nationality? "

And do you know the answer to this one? "What are objects collected for their historical significance called?"

52% knows the answer to this question: "What are the "Big Dipper" and "Orion" examples of in the night sky? "

And do you know the answer to this one? "A bar has 18 staff during the week, and takes on a third more at weekends. How many people work on a Saturday?"

46% knows the answer to this question: "What is the English equivalent of Hans, Ivan and Johannes? "

And do you know the answer to this one? "What is Spain's second city?"

65% knows the answer to this question: "Sixteen Adipose are in a basket. If one gets out and two more gets in, how many are in the basket now? "

And do you know the answer to this one? "What is the word for any two dimensional shape?"

87% knows the answer to this question: "The Alps are NOT in which of these countries? "

And do you know the answer to this one? "Which US State is known as the Garden state?"

35% knows the answer to this question: "Pointe work has been almost exclusively for women since 1830s, when Swedish Italian ballerina Marie Taglioni popularised it. If you are dancing sur les pointes, what are you doing? "

And do you know the answer to this one? "What is the only country bordering South Korea?"

67% knows the answer to this question: "Which is true about bats in caves? "

And do you know the answer to this one? "This is the biggest seller in US produce aisles, and the red delicious is the biggest selling variety. What is it?"

78% knows the answer to this question: "Bill Gates developed what operating system to protect DOS against VisiOn, a graphical user interface developed by the VisiCalc people? "

And do you know the answer to this one? "The first U.S. combat troops arrived in what Asian nation in 1965?"

47% knows the answer to this question: "First flown in 1936 in Germany, what was the Hindenburg? "

And do you know the answer to this one? "The Roman Empire was centered in which present-day country?"

90% knows the answer to this question: "Who sang the famous song "Mr. Tambourine Man" (1965)? "

And do you know the answer to this one? "Who sang the famous song "Hold Me Tight" (1968)?"