31% knows the answer to this question: "Winston Churchill served as Prime Minister of which European country? "

And do you know the answer to this one? "What was the name of the American inventor who is regarded as the inventor of the light bulb, alongside Sir Joseph Swan?"

49% knows the answer to this question: "Who is the famous daughter of Billy Ray Cyrus who had a major hit with Achy Breaky Heart? "

And do you know the answer to this one? "Phil Collins was chosen to be a drummer for which British rock band in 1970?"

38% knows the answer to this question: "It was actually Alfredo Codona of the Flying Codonas who did the swinging through the trees in what movie? "

And do you know the answer to this one? "What Julia Roberts movie is known in China as I Will Marry a Prostitute to Save Money?"

41% knows the answer to this question: "Dermatitis is an inflammation of what part of the body? "

And do you know the answer to this one? "The medical term "thrombosis" is best defined as?"

72% knows the answer to this question: "What is the primary ingredient of a Swiss fondue? "

And do you know the answer to this one? "Geneva, the European headquarters of the United Nations, is located in which country?"

35% knows the answer to this question: "What is table salt's chemical name? "

And do you know the answer to this one? "What do electricians use to test circuits?"

33% knows the answer to this question: "What is the longest river in the United States? "

And do you know the answer to this one? "In what U.S. state are the cities of Philadelphia, Pittsburgh and Harrisburg located?"

95% knows the answer to this question: "What unit of measurement is one-thousandth of a gram? "

And do you know the answer to this one? "What does the phrase "card shark" mean?"

51% knows the answer to this question: "Which Cuban leader visited Nelson Mandela during the latter's presidency? "

And do you know the answer to this one? "Made of Makrana marble, what is Agra's most famous tourist attraction?"

44% knows the answer to this question: "What does Rapunzel let down in "Rapunzel"? "

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

53% 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?"

86% knows the answer to this question: "From which country was Evita Peron? "

And do you know the answer to this one? "What dynasty built most of the present-day Great Wall of China as a way to keep out the Mongols?"