75% 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?"

52% 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?"

79% 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?"

56% 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?"

70% 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?"

86% 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?"

74% 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?"

39% 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?"

77% knows the answer to this question: "Which of these medical procedures does NOT involve a needle? "

And do you know the answer to this one? "What is 98 plus 22?"

54% knows the answer to this question: "How many months in a decade? "

And do you know the answer to this one? "What was the first name of Miss Boleyn, second wife of Henry VIII?"

63% knows the answer to this question: "What special shoes did Dorothy wear in the movie "The Wizard of Oz"? "

And do you know the answer to this one? "What telephone inventor never called his mom, seeing as how she was deaf and all?"

63% knows the answer to this question: "Which 20th century musician was nicknamed Satchmo? "

And do you know the answer to this one? "What was the first group created by Lennon and McCartney in the 50s?"