83% knows the answer to this question: "What is the study of stars, planets and galaxies called? "

And do you know the answer to this one? "King Juan Carlos I abdicated as King of which country in 2014?"

33% knows the answer to this question: "By definition, what produces a sonic boom? "

And do you know the answer to this one? "What railway, the world's longest, as of 2010, moves over 5,700 miles of Russia?"

72% knows the answer to this question: "What film festival actually takes place in Park City, Utah? "

And do you know the answer to this one? "What 80s musical was set in 1963, at Kellerman's Mountain House in the Catskills?"

50% knows the answer to this question: "Who kept his record company from releasing a sub-par live version of Mr Tambourine Man by denying himself the first-issue rights? "

And do you know the answer to this one? "Joseph Haydn's Symphony No. 103 in E flat major is called the Drumroll Symphony because it begins with what instrument?"

61% knows the answer to this question: "What colorful square separates the Kremlin from an historic merchant quarter called Kitaigorod? "

And do you know the answer to this one? "What was the name of the General who led the U.S. forces that were defeated by allied Native American tribes at the Battle of the Little Bighorn?"

85% knows the answer to this question: "In which European city would you find the Hofburg Palace, once the home of the Hapsburg rulers of the Austro-Hungarian Empire? "

And do you know the answer to this one? "What is the capital city of Afghanistan?"

54% knows the answer to this question: "Who was the Prime Minister of Great Britain during World War II? "

And do you know the answer to this one? "What is the classification of a weasel?"

38% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "What German festival, known locally as Wiesn, begins with the mayor of Munich declaring "O'zapft is," meaning "The barrel has been tapped"?"

85% knows the answer to this question: "Who sang the famous song "Who Are You" (1978) "

And do you know the answer to this one? "How many fluid ounces are in one cup?"

32% knows the answer to this question: "Where is the marine iguana from? "

And do you know the answer to this one? "In 2011, the Qingdao Haiwan Bridge over Jiaozhou Bay became the first bridge long enough to run a marathon across. Where is it?"

77% knows the answer to this question: "In what city were the most famous war trials against leading Nazis held in 1946? "

And do you know the answer to this one? "Which Axis leader was overthrown and arrested in July 1943?"

46% knows the answer to this question: "What weather term comes from the Aboriginal "Huracan"? "

And do you know the answer to this one? "What is the largest land animal?"