86% knows the answer to this question: "What river do the Mexicans call Rio Bravo del Norte? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

78% knows the answer to this question: "Which weapon was used by Aboriginal Australians? "

And do you know the answer to this one? "Martin Luther King, Jr., John F. Kennedy and Robert F. Kennedy were assassinated during this decade."

35% knows the answer to this question: "Which Prime Minister won a Nobel prize for literature? "

And do you know the answer to this one? "Which one of these words means standing out so as to be seen?"

90% knows the answer to this question: "What South American country has taken its name from a famous line of latitude? "

And do you know the answer to this one? "What was the name of Grace Kelly and Prince Rainier's first child, born in 1957?"

72% knows the answer to this question: "What is the special vehicle with bulletproof glass designed for Pope John Paul II's public appearances? "

And do you know the answer to this one? "89 people bought a new hat for Clare's wedding. 23 people forgot to take theirs home. How many people left with their hats?"

82% knows the answer to this question: "What cooking technique involves soaking meat in oil, wine, herbs or garlic? "

And do you know the answer to this one? "Who was the villain in "Peter Pan"?"

32% knows the answer to this question: "Who was referred to as 'The Velvet Voice'? "

And do you know the answer to this one? "Who sang the famous song "Call Me" (1980)?"

95% knows the answer to this question: "What is 2 times 13, plus 9? "

And do you know the answer to this one? "What number represents "a checking account with $900 in it"?"

30% knows the answer to this question: "What element in a liquid state is used in the cryogenic cooling of devices and materials? "

And do you know the answer to this one? "Napa Valley is a wine region in which US state?"

79% knows the answer to this question: "What world leader was nicknamed "The Iron Lady"? "

And do you know the answer to this one? "In soccer, what is the name of the Mark located inside the Center Circle?"

45% knows the answer to this question: "What was the name of the woman who married Prince William of the UK in 2011? "

And do you know the answer to this one? "Who "left the building" ... for good ... after his last concert, on June 26, 1977, at Market Square Arena in Indianapolis?"

67% knows the answer to this question: "Which disease is basically blood cancer? "

And do you know the answer to this one? "What song features the line, 'In rain or shine, you've stood by me girl'?"