87% knows the answer to this question: "What seafaring warriors traveled the Oder River in Poland during the Middle Ages? "

And do you know the answer to this one? "What is the condition in which person will not eat, lack of appetite?"

65% knows the answer to this question: "Which animal has mask-like markings on its face and a ringed tail? "

And do you know the answer to this one? "Which of these wars started in 1914?"

79% knows the answer to this question: "Which of these continent - country - capital groups is correct? "

And do you know the answer to this one? "What part of a plant produces seeds?"

66% knows the answer to this question: "D-Day is associated with which war? "

And do you know the answer to this one? "Britain's Stonehenge is called a megalith because it is made of what?"

40% knows the answer to this question: "What body of water touches the eastern coast of Mexico? "

And do you know the answer to this one? "What sugar-regulating human hormone was first isolated in 1922?"

91% knows the answer to this question: "Which of these gases is toxic? "

And do you know the answer to this one? "Which of these cities is in Germany?"

45% knows the answer to this question: "Which one of the following might a frog eat? "

And do you know the answer to this one? "Mexico is which of these?"

94% knows the answer to this question: "Which of these varieties of beans is not actually a vegetable? "

And do you know the answer to this one? "D-Day is associated with which war?"

50% knows the answer to this question: "Ottawa is the capital of which country? "

And do you know the answer to this one? "Roman men wore togas and Roman women wore what?"

90% knows the answer to this question: "Which fruit has a fuzzy skin? "

And do you know the answer to this one? "The U.S. invaded Afghanistan in 2001 to topple what government?"

50% knows the answer to this question: "What is a change in the form of a species over time called? "

And do you know the answer to this one? "Simon & Garfunkel had which hit single in 1968?"

63% knows the answer to this question: "Which body part of a human senses light information? "

And do you know the answer to this one? "What is molten rock beneath the surface of the earth called?"