35% knows the answer to this question: "In which decade did Elvis have his first No.1? "

And do you know the answer to this one? "Where was Abraham Lincoln assassinated?"

88% knows the answer to this question: "What was the first name of Burns, an 18th century Scottish poet? "

And do you know the answer to this one? "What color are holly berries?"

72% knows the answer to this question: "Which rock star both released "Hard Headed Woman" and joined the Army in 1958? "

And do you know the answer to this one? "A Portuguese stringed instrument called the braguinha picked up what new name when it was played by Hawaiians?"

86% knows the answer to this question: "Which continent has the fewest countries? "

And do you know the answer to this one? "In 1897 a Swiss doctor invented a breakfast food which was a mixture of grains, fruits and nuts - what was it?"

38% knows the answer to this question: "In 1865, the New York Stock Exchange opened on which street? "

And do you know the answer to this one? "What is the most bustling square in New York?"

31% knows the answer to this question: "What is the medical term for gas produced in the bowel? "

And do you know the answer to this one? "What medical word refers to the heart?"

74% knows the answer to this question: "What is the name for a female fox? "

And do you know the answer to this one? "What is the geographic term for the height of an area, measured from sea level?"

31% knows the answer to this question: "What was the first name of 1960s TV journalist Frost? "

And do you know the answer to this one? "Where would you find Earth's longest river, the Nile?"

45% knows the answer to this question: "Which of these characters does not represent Rice Krispies? "

And do you know the answer to this one? "Which planet is named for the Roman goddess of love?"

43% knows the answer to this question: "Which celebrity bride got married twice in a bikini? "

And do you know the answer to this one? "Navel oranges are easy to eat because they have no what?"

63% knows the answer to this question: "The seventh and final instalment of what popular book series was released on July 21, 2007? "

And do you know the answer to this one? "Who invaded England in 1066?"

88% knows the answer to this question: "What is added to 56 to make 99? "

And do you know the answer to this one? "Who crashed flying over the Pacific Ocean?"