58% knows the answer to this question: "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? "

And do you know the answer to this one? "Who invented the first powered, controlled airplane in 1903?"

43% knows the answer to this question: "Which of these famous philosophers is Greek? "

And do you know the answer to this one? "Chiles rellenos is a food item of what type of cuisine?"

38% knows the answer to this question: "In the movies, what was Michael J. Dundee's nickname? "

And do you know the answer to this one? "Although Tony Blair actually moved next door, what is the official address of Britain's prime minister?"

53% knows the answer to this question: "What city in northern China has been the location of the 2008 Summer Olympics? "

And do you know the answer to this one? "Which Handel oratorio includes the tenor aria 'Every Valley Shall Be Exalted' and 'Hallelujah' chorus?"

68% 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? "What were medieval knights best known as?"

76% knows the answer to this question: "The world's 1500 giant pandas are found in the western area of what country, where their name is xiong mao, meaning "bear cat"? "

And do you know the answer to this one? "The Royal Hawaiian Hotel at Waikiki in Honolulu claims to have invented non-alcoholic cocktail, naming it for a celebrity?"

80% knows the answer to this question: "What talk-show host (and fan of author Alice Walker's) was nominated for an Academy Award for the movie version of "The Color Purple"? "

And do you know the answer to this one? "After the Cuban Revolution of January 1959, who assumed power?"

33% knows the answer to this question: "What do city trucks spread on roads to melt ice? "

And do you know the answer to this one? "Which Australian city is home to an iconic Opera House?"

59% knows the answer to this question: "What was Roger Miller "King of" in the 1964 song? "

And do you know the answer to this one? "Where is the singer while "lookin' down on creation" in a 1973 song by The Carpenters?"

94% knows the answer to this question: "Which of these animals would most likely be found in a pond? "

And do you know the answer to this one? "Since he disliked the habits of his helpers, who helped Michelangelo paint the Sistine Chapel?"

56% knows the answer to this question: "In what film did Dudley Moore play Arthur Bach? "

And do you know the answer to this one? "Which film told the story of a US helicopter crash and rescue in Somali in 1993?"

33% knows the answer to this question: "Burgundy and Bordeaux are among the world's greatest wine-making regions. And both are in what country? "

And do you know the answer to this one? "Chop suey is a food item of what type of cuisine?"