56% knows the answer to this question: "What do you hear when a Mach cone passes by? "

And do you know the answer to this one? "Who gave Vincent "Tata" Ford a songwriting credit on "No Woman, No Cry" so that he'd have the funds to keep running his soup kitchen in Kingston, Jamaica?"

48% knows the answer to this question: "Muammar Gaddafi became leader of which country in 1969? "

And do you know the answer to this one? "Who became US President after the assassination of Kennedy?"

45% knows the answer to this question: "Which central American country signed a Canal Treaty with the USA in 1955? "

And do you know the answer to this one? "Who had a smash hit in the 1950s with 'Great Balls of Fire'?"

75% knows the answer to this question: "What best selling book is about an actor who searches for his mysterious father? "

And do you know the answer to this one? "Which one of these animals is a dog?"

78% knows the answer to this question: "Alexander the Great thought that what river, now associated with India, marked the boundary of the universe? "

And do you know the answer to this one? "Although Deuteronomy 14:18 specifically says that it isn't kosher, the hoopoe was voted what country's national bird in 2008?"

75% knows the answer to this question: "Who was the Vice President under President Gerald Ford? "

And do you know the answer to this one? "What did the Ancient Romans use to clean their skin?"

75% knows the answer to this question: "How are domesticated canines more commonly known? "

And do you know the answer to this one? "Which of the following land areas is the largest? "

52% knows the answer to this question: "The US state of Florida and the Australian state of Queensland share what nickname? "

And do you know the answer to this one? "Which Mrs. was a hit for Simon and Garfunkel?"

62% knows the answer to this question: "What is the most bustling square in New York? "

And do you know the answer to this one? "The following words are from which 1950s film: "This is war. This is not a game of cricket"."

32% knows the answer to this question: "Which planet is named for the Roman goddess of love? "

And do you know the answer to this one? "In which month is the American Thanksgiving holiday celebrated?"

94% knows the answer to this question: "Johannes Meyer and Johannes Rissik founded Johannesburg, which they appear to have named for themselves. Where is it? "

And do you know the answer to this one? "In the 1940s, the US Army Meteorological Service started naming these for women. But as of May 12, 1978, you could also name them for men. What are they?"

91% knows the answer to this question: "A nine-minute scene in the Charlton Heston version of Ben-Hur is one of the most famous action scenes in movie history. What happens in it? "

And do you know the answer to this one? "The Michael Caine film "Zulu" and Charlton Heston's "Khartoum" were biopics about brave Brits set on what continent?"