49% knows the answer to this question: "Which geographical feature can contain meanders and rapids? "

And do you know the answer to this one? "What was 'Red' according to Bobby Vinton's 1962 billboard No.1?"

35% knows the answer to this question: "Martin Luther King Jr. was born in which country? "

And do you know the answer to this one? "Which of these is a famous astronomer for whom a comet was named?"

33% knows the answer to this question: "What kind of company did William Boeing found in 1916? "

And do you know the answer to this one? "The ancient Romans built 'aqueducts' to carry what?"

91% knows the answer to this question: "Princess Diana and Prince Charles had their first child in 1982. What is his name? "

And do you know the answer to this one? "Manuel II was the last monarch of which nation?"

33% knows the answer to this question: "The medical term "prognosis" is best defined as? "

And do you know the answer to this one? "The Kievan Rus were overwhelmed by the Golden Horde, which included what Turkic people, who share their name with both a sauce that's tasty on fish, as well as with the hard stuff that builds up on your teeth, if you don't brush afterward. What is it?"

31% knows the answer to this question: "What piece of equipment protects a football player's face from injury? "

And do you know the answer to this one? "14th July is National Day in which country?"

94% knows the answer to this question: "Which of the following art movements is characterised by a fascination with pop culture? "

And do you know the answer to this one? "What war did Muhammad Ali famously refuse to fight in?"

52% knows the answer to this question: "What nickname is given to the Santa Clara valley in California? "

And do you know the answer to this one? "60% of the batteries used in Apple products are made where?"

55% knows the answer to this question: "In which country is the Copenhagen Airport located? "

And do you know the answer to this one? "What powerful king of the Huns was nicknamed the scourge of God?"

66% knows the answer to this question: "Who had the hit 60's song "Mrs. Robinson" on Columbia? "

And do you know the answer to this one? "Tom Cruise and Kelly McGillis star in what film about the life of a US Navy pilot in training?"

54% knows the answer to this question: "Who was Florence Nightingale? "

And do you know the answer to this one? "Fight fire with ..."

80% knows the answer to this question: "About two-thirds of the African slaves brought to the New World ended up on plantations to satisfy European demand for glucose (C6O6H12). Which of these products is glucose? "

And do you know the answer to this one? "Which is the most populated city in the US?"