73% knows the answer to this question: "What was the name of the American inventor who is regarded as the inventor of the light bulb, alongside Sir Joseph Swan? "

And do you know the answer to this one? "What are Superior, Huron, Michigan, Erie and Ontario? "

92% knows the answer to this question: "The "Good Friday Agreement" helped establish peace between England and what other country? "

And do you know the answer to this one? "In 1966, Cevdet Sunay became the fifth president of what country?"

32% knows the answer to this question: "In what country was Franklin D. Roosevelt born? "

And do you know the answer to this one? "In 1994, who was elected the first black President of South Africa?"

94% knows the answer to this question: "What adjective means belonging to or associated with a flower? "

And do you know the answer to this one? "What is the only bird that can fly backwards?"

33% knows the answer to this question: "What branch of science was the focus of the Human Genome Project? "

And do you know the answer to this one? "What is the Rose Bowl?"

37% knows the answer to this question: "What is the tenth month of the year? "

And do you know the answer to this one? "From this selection, which has the highest population?"

92% knows the answer to this question: "Who was Harry S. Truman? "

And do you know the answer to this one? "What is the national sport of Canada?"

34% knows the answer to this question: "In a Spanish family, who is known as "el padre"? "

And do you know the answer to this one? "What was the surname of the brothers who made the first powered flight?"

88% knows the answer to this question: "Who's missing from the Spice Girls' line up: Posh, Baby, Scary, Sporty, ...?' "

And do you know the answer to this one? "In music, what term describes a note that is neither flat nor sharp?"

85% knows the answer to this question: "Derived from the ink it produces, "calamari" is the Italian name for what creature? "

And do you know the answer to this one? "What color are ripe cherries?"

67% knows the answer to this question: "A burro is a small one and an ass is a domesticated one. One what? "

And do you know the answer to this one? "Saber tooth tigers were part of which groups of animals? "

46% knows the answer to this question: "What is the primary ingredient of a Swiss fondue? "

And do you know the answer to this one? "Finish the country's name: Kingdom of Saudi _______."