62% knows the answer to this question: "What Egyptian regent is said to have had affairs with both Julius Caesar and Mark Antony? "

And do you know the answer to this one? "In what industry did John Davison Rockefeller get rich?"

40% knows the answer to this question: "Which country launched the health care exchange for its Affordable Care Act in 2013? "

And do you know the answer to this one? "Which annual summit took place in Northern Ireland in June of 2013?"

38% knows the answer to this question: "What is the name of the first mammal to be successfully cloned from an adult cell? "

And do you know the answer to this one? "Who gave her son Prince Charles the customary title of Prince of Wales?"

64% knows the answer to this question: "What famous person said: "Sometimes it is not enough to do our best; we must do what is required"? "

And do you know the answer to this one? "Benito Mussolini was leader of which country in the 1920s?"

65% knows the answer to this question: "In 2013, a deadly train wreck took place in which country's Santiago de Compostela? "

And do you know the answer to this one? "Which prayer-ending word comes for the Hebrew for "so be it"?"

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? "Silvio Berlusconi was expelled for what crime in 2013?"

72% knows the answer to this question: "What is the name of the military academy which stands above the Hudson River in New York? "

And do you know the answer to this one? "The Indianapolis 500 was first staged in 1911. What kind of sporting event is it?"

37% knows the answer to this question: "The Tea Party are named after an event which took place in which American city during the late eighteenth century? "

And do you know the answer to this one? "What war did Muhammad Ali famously refuse to fight in?"

84% knows the answer to this question: "The US literally engineered, not only this country's canal, but the country itself. What is it? "

And do you know the answer to this one? "What term refers to military submarines operated by Germany in the First World War?"

89% knows the answer to this question: "What is the name of the Ukrainian power plant where a major nuclear accident occurred in 1986? "

And do you know the answer to this one? "Which country attacked the secessionist Republic of Chechnya in 1994?"

37% knows the answer to this question: "What agreement, signed in 1215 by King John of England, is considered one of the founding documents of modern democracy? "

And do you know the answer to this one? "Which two nations fought for control of North America in the French and Indian War?"

65% knows the answer to this question: "Who did Leonid Brezhnev replace as the Soviet Premier in 1964? "

And do you know the answer to this one? "Which country bankrolled Columbus' expedition to discover America in 1492?"