64% knows the answer to this question: "What did you see over _? "

And do you know the answer to this one? "Pick the correct sentence"

72% knows the answer to this question: "What do electricians use to test circuits? "

And do you know the answer to this one? "What is table salt's chemical name?"

91% knows the answer to this question: "In what U.S. state are the cities of Philadelphia, Pittsburgh and Harrisburg located? "

And do you know the answer to this one? "In 1970, Alan Shugart was credited with which invention/discovery?"

94% knows the answer to this question: "What does the phrase "card shark" mean? "

And do you know the answer to this one? "What unit of measurement is one-thousandth of a gram?"

89% knows the answer to this question: "When performing ballroom dance, who usually leads? "

And do you know the answer to this one? "I'm an Olympic swimmer who won 22 medals. Who am I?"

52% knows the answer to this question: "Taiwan is considered to be part of which continent? "

And do you know the answer to this one? "In which of these countries would you find aborigines?"

37% knows the answer to this question: "What dynasty built most of the present-day Great Wall of China as a way to keep out the Mongols? "

And do you know the answer to this one? "From which country was Evita Peron?"

59% knows the answer to this question: "Which country did Joan of Arc try to set free from English domination? "

And do you know the answer to this one? "Who is considered to be the founder of modern nursing?"

90% knows the answer to this question: "What was a battle fought in 1815 in Belgium in which Napoleon I met his final defeat? "

And do you know the answer to this one? "The ancient Egyptian civilization was based around which river?"

76% knows the answer to this question: "The Empire State Building opened in which US city in 1931? "

And do you know the answer to this one? "In 2009, archaeologists found Bluehenge about a mile away from what other structure?"

93% knows the answer to this question: "In 1994, who was elected the first black President of South Africa? "

And do you know the answer to this one? "In what year did France and Britain declare war on Germany?"

43% knows the answer to this question: "Where did Napoleon Bonaparte suffer his last defeat? "

And do you know the answer to this one? "Which of these continent - country - capital groups is correct?"