83% knows the answer to this question: "Samuel Colt was a famous 1840s manufacturer of which product? "

And do you know the answer to this one? "Complete the Bee Gees hit song title, "I've Gotta Get a ... to You"?"

75% knows the answer to this question: "Bo Diddley was famous in which field in the 50s? "

And do you know the answer to this one? "Edmund Hillary and Tenzing Norgay were the first people to reach the top of which mountain?"

54% knows the answer to this question: "What is the lowest whole even number? "

And do you know the answer to this one? "What is half of 16, squared?"

38% knows the answer to this question: "What is a million divided by two? "

And do you know the answer to this one? "The Roman numeral system has no expression for which number?"

91% knows the answer to this question: "The Nile River runs through which of these countries? "

And do you know the answer to this one? "Which mathematical term means limitless?"

87% knows the answer to this question: "In 2013, Russia arrested a group of protestors from which environmentalist group? "

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

66% knows the answer to this question: "How many characters in the Famous Five plus the Secret Seven? "

And do you know the answer to this one? "I am the comedian who starred in "Mork and Mindy" as well as the voice of the genie in "Aladdin', who am I?"

51% knows the answer to this question: "In which decade were robbers Bonnie and Clyde active? "

And do you know the answer to this one? "Silvio Berlusconi was a controversial Prime Minister of which country?"

64% knows the answer to this question: "Dwight D. Eisenhower belonged to which political party? "

And do you know the answer to this one? "Pierre Trudeau became Prime Minister of which country in 1968?"

80% knows the answer to this question: "Which of these is a mountain range in the USA? "

And do you know the answer to this one? "Which of these forms of carbon is South Africa particularly renowned for producing?"

44% knows the answer to this question: "The first Le Mans endurance race was run in which country in 1923? "

And do you know the answer to this one? "Who was not a U.S. President?"

75% knows the answer to this question: "What is one of the main crops grown in Vietnam? "

And do you know the answer to this one? "How many feet on one man and three dogs?"