94% knows the answer to this question: "Who was Julius Caesar's successor as Roman Emperor? "

And do you know the answer to this one? "In 1994, which country became linked to mainland Britain by an under-the-sea tunnel? "

32% knows the answer to this question: "Which World War II veteran became the President in 1953? "

And do you know the answer to this one? "In England, if you've been "sacked", what have you lost?"

31% knows the answer to this question: "In the Old Testament of the Bible, whom did God command to build the Ark? "

And do you know the answer to this one? "What title was used by kings and leaders of the Egyptian Empire?"

32% knows the answer to this question: "What was President Nixon's first name? "

And do you know the answer to this one? "In ancient times, what were professional writers called?"

34% knows the answer to this question: "According to legend, which pair of twins founded Rome in around 750BC? "

And do you know the answer to this one? "What did Norma Jean Baker change her name to in 1956?"

42% knows the answer to this question: "Which First Lady influenced women's fashion in the 1960s? "

And do you know the answer to this one? "Which ship was meant to be unsinkable, but sank during its first voyage?"

85% knows the answer to this question: "What was President Ford's first name? "

And do you know the answer to this one? "Which former French president led the Free French Forces during World War II?"

73% knows the answer to this question: "NutraSweet, created in 1981, produces which products? "

And do you know the answer to this one? "Descended from a wealthy aristocratic family, the young Plato joined the group of disciples of a famous philosopher who influenced him profoundly. Who was his teacher?"

51% knows the answer to this question: "Ray Charles had a hit single in 1960. What was it called? "

And do you know the answer to this one? "Who was Marlene Dietrich?"

42% knows the answer to this question: "What is the name of the currency used in the United States? "

And do you know the answer to this one? "The Trojan War is famous for a hollow sculpture of what animal?"

44% knows the answer to this question: "Who said: "To be, or not to be, that is the question"? "

And do you know the answer to this one? "Pan Am was once the world's largest what?"

59% knows the answer to this question: "In 1981, which of these became the first 24-hour cable network for music? "

And do you know the answer to this one? "Complete the name of the philosopher. Karl _____."