35% knows the answer to this question: "Which central American country signed a Canal Treaty with the USA in 1955? "

And do you know the answer to this one? "Who had a smash hit in the 1950s with 'Great Balls of Fire'?"

94% knows the answer to this question: "The US state of Florida and the Australian state of Queensland share what nickname? "

And do you know the answer to this one? "Which Mrs. was a hit for Simon and Garfunkel?"

50% knows the answer to this question: "What is the most bustling square in New York? "

And do you know the answer to this one? "The following words are from which 1950s film: "This is war. This is not a game of cricket"."

78% knows the answer to this question: "What is the name of the holes in the nose? "

And do you know the answer to this one? "What decade was Roaring?"

53% knows the answer to this question: "What animal makes up the Odobenus genus, so named because its ability to pull itself out of the icy water by its tusks makes it a "tooth walker"? "

And do you know the answer to this one? "What is another word for a champagne glass?"

76% knows the answer to this question: "In 2005, Prince Charles married to? "

And do you know the answer to this one? "You can find the Wailing Wall at which location?"

31% knows the answer to this question: "Who was the creator of the Mongol empire? "

And do you know the answer to this one? "Used to treat diabetes, what was the first genetically engineered drug approved by the FDA?"

43% knows the answer to this question: "What kind of fluid does your heart pump? "

And do you know the answer to this one? "Obesophobia is the fear of what?"

41% knows the answer to this question: "Which 2008 film release saw Meryl Streep singing and dancing along to Abba songs? "

And do you know the answer to this one? "Which of these is a parasitic relationship?"

69% knows the answer to this question: "What is an eight-letter word meaning "power or tendency to float on or in a liquid or gas"? "

And do you know the answer to this one? "What bean-shaped organ is supposedly stolen from New Orleans tourists, who wake up in ice-filled bathtubs after a night of carousing?"

36% knows the answer to this question: "Which is the longest river wholly in England? "

And do you know the answer to this one? "A field in which rice is grown is called a what?"

86% knows the answer to this question: "The Aztec Ruins is a national monument in which state? "

And do you know the answer to this one? "In which natural environment are 'dunes' found?"