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And do you know the answer to this one? "An Obstetrician is a medical doctor that specializes in the management of what?"

48% knows the answer to this question: "Thought to be a 19-year-old student named Wang Weilin, Tank Man stopped a row of tanks in what city's Tiananmen Square in 1989? "

And do you know the answer to this one? "What is the distinguishing feature of a Manx cat?"

44% knows the answer to this question: "It's only done to treat really extreme cases of epilepsy, but half of something is removed in a hemispherectomy. What? "

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63% knows the answer to this question: "Which treaty, drawn up at the end of World War I, did the U.S. Congress fail to ratify? "

And do you know the answer to this one? "It took just 30 seconds on October 26, 1881. The "Gunfight at the OK Corral" took place in a vacant lot, known as lot 2, in block 17 of what Wild West town?"

51% knows the answer to this question: "What is the name of the digital music service started by Apple in 2001? "

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47% knows the answer to this question: "A pescetarian doesn't eat meat, but does eat what? "

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83% knows the answer to this question: "Who was Queen Victoria's husband? "

And do you know the answer to this one? "What was the main crop grown by the British colonies in Virginia?"

90% knows the answer to this question: "Where was Nelson Mandela imprisoned? "

And do you know the answer to this one? "You can find the Florida Keys at which location?"

45% knows the answer to this question: "Who sang the famous song "You're So Vain" (1972)? "

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73% knows the answer to this question: "Which animals get turned into horses in the 2015 version of "Cinderella"? "

And do you know the answer to this one? "Shortly after filming a car safety spot, who died on a California highway when his Porsche 550 Spyder collided into a 1950 Ford Tudor coupe that was turning onto Route 41 west of Cholame, California?"

72% knows the answer to this question: "What epidemic spread across almost all of Europe in the years 1346-53? "

And do you know the answer to this one? "What is a state of lawlessness and disorder?"