43% knows the answer to this question: "Eunice Shriver, who died in 2009, was a member of which famous family? "

And do you know the answer to this one? "Which of these rivers is mentioned in Duran Duran's single Rio? "

55% knows the answer to this question: "What does the saying "She is a stool pigeon" mean? "

And do you know the answer to this one? "What famous author wrote the rhyming book "Hop on Pop"?"

80% knows the answer to this question: "What is the name to coloured marks on the skin, often seen in babies? "

And do you know the answer to this one? "From these choices, which one is a mammal?"

87% knows the answer to this question: "In which US city would you come across the Golden Gate Bridge? "

And do you know the answer to this one? "What North American animal is mistakenly called a buffalo?"

56% knows the answer to this question: "If you have £198 and spend £25, how much is left? "

And do you know the answer to this one? "What is 89 minus 12?"

67% knows the answer to this question: "What fashionable shopping avenue divides the East Side of New York City from the West Side? "

And do you know the answer to this one? "What is the Windy City, either because of meteorology or because of the flapping gums of local political blowhards?"

49% knows the answer to this question: "Which is the complete name of famous businessman Onassis? "

And do you know the answer to this one? "Aphrodite was the Greek goddess of what?"

84% knows the answer to this question: "I'm a King of England from long ago who had a round table and many knights. Who am I? "

And do you know the answer to this one? "What are the body's smallest blood vessels called?"

43% knows the answer to this question: "In 1922 Maytag added the agitator to what appliance, which moved water around in the drum? "

And do you know the answer to this one? "Which ice cream flavor usually contains vanilla, chocolate and strawberry?"

75% knows the answer to this question: "A giant dam in Nevada was named after which former US President? "

And do you know the answer to this one? "What part of your body is coated with a ring of lymphoid tissue called the tonsils, which fight bacteria, until they're taken out?"

51% knows the answer to this question: "What is the official language of Poland? "

And do you know the answer to this one? "In what state are the indigenous Polynesians barely 10% of the population, while Asians, particularly Japanese, are the largest ethnic group?"

32% knows the answer to this question: "In what city would you take a water bus called a vaporetto to get around on the Grand Canal? "

And do you know the answer to this one? "In hot air ballooning, passengers stand in what?"