81% knows the answer to this question: "What sort of animal is a tapeworm? "

And do you know the answer to this one? "What animal is a common wild duck?"

87% knows the answer to this question: "In what US state is New York City located? "

And do you know the answer to this one? "Is a banjo a wind, string, percussion or keyboard instrument?"

34% knows the answer to this question: "Which of these is a famous city Australia? "

And do you know the answer to this one? "On which instrument was confirmed bachelor Liberace a virtuoso?"

78% knows the answer to this question: "What is table salt's chemical name? "

And do you know the answer to this one? "Who was the second President to die in office?"

45% knows the answer to this question: "I Walk the Line' and 'Ring of Fire' are two songs by which artist? "

And do you know the answer to this one? "What's the surname of father and daughter Ozzy and Kelly who topped the charts at the end of 2003 with 'Changes'?"

69% knows the answer to this question: "Which fashion icon was born in 1973? "

And do you know the answer to this one? "In 2009, Chesley "Sully" Sullenberger landed US Airways Flight 1549 in what river?"

58% knows the answer to this question: "Which birds are traditionally associated with Trafalgar Square in London? "

And do you know the answer to this one? "How do boats traverse the Panama Canal?"

79% knows the answer to this question: "Who had the hit 60's song "The Twist" on Parkway? "

And do you know the answer to this one? "What would you do to a bucket of sand and water to separate one from the other?"

83% knows the answer to this question: "What heart operation can be a triple or a quadruple? "

And do you know the answer to this one? "What are soldiers who fight on horseback?"

92% knows the answer to this question: "An animal that has no pigment can be described as what? "

And do you know the answer to this one? "What is pain resulting from insufficient blood to the heart?"

71% knows the answer to this question: "What was the name of the brothers who made the first controlled, sustained flight of a powered aircraft? "

And do you know the answer to this one? "This German printer invented the printing press in 1440."

60% knows the answer to this question: "What is liposuction employed for in cosmetic surgery? "

And do you know the answer to this one? "A person with diabetes produces an insufficient amount of what in the body?"