69% knows the answer to this question: "The four-leaf clover, which symbolizes good luck, is what color? "

And do you know the answer to this one? "Which word is spelled wrong?"

32% knows the answer to this question: "What was the name of the Catholic Nun who started work in the slums of Calcutta in October 1950? "

And do you know the answer to this one? "Elvis Presley first went into a recording studio in which city in 1954?"

36% knows the answer to this question: "By Tour de France rules, who is allowed to wear the yellow jersey at the start of the race? "

And do you know the answer to this one? "Which 'S' is the most populated city in the world?"

67% knows the answer to this question: "In what country is Stonehenge located? "

And do you know the answer to this one? "JFK stood here and said, "Ich bin ein Berliner." Ronald Reagan stood here and said, "Mr Gorbachev, tear down this wall." What gate on Pariser Platz was this?"

56% knows the answer to this question: "The medical term "thrombosis" is best defined as? "

And do you know the answer to this one? "What is a 10-letter word meaning "hard coal"?"

65% knows the answer to this question: "Where is the cordon bleu school of cooking? "

And do you know the answer to this one? "Oliver Cromwell was a leader during which war?"

86% knows the answer to this question: "In what film did Tommy Lee Jones play MIB Agent K? "

And do you know the answer to this one? "Daffy Duck, a fox from Disney, Kevin Costner, Russell Crowe and Errol Flynn have all played what character?"

48% knows the answer to this question: "Which of these words means empty? "

And do you know the answer to this one? "George Martin was the producer, Brian Epstein the manager and Norman Smith the sound engineer. For what band?"

58% knows the answer to this question: "Two beaches in what city inspired hit songs in 1963 (The Girl from Ipanema) and 1978 (Copacabana)? "

And do you know the answer to this one? "By definition, which of these sandwiches do you make with three slices of bread?"

85% knows the answer to this question: "What is best described as leakage into a material or structure? "

And do you know the answer to this one? "Which record company was founded in Detroit by Berry Gordy, Jr, a former boxer, who applied many of the business techniques he'd seen working on the Ford assembly line?"

32% knows the answer to this question: "Never reveal a man's ..., and woman's age "

And do you know the answer to this one? "The common prefix "therma" comes from a Greek city known for what?"

77% knows the answer to this question: "Which out of these cities has the highest population? "

And do you know the answer to this one? "Stuntman Nosher Powell says another stuntman was killed during this movie's chariot race, but William Wyler says nobody was killed at all, man or horse. What movie?"