78% knows the answer to this question: "Which European city has the largest Roman amphitheatre in the world? "

And do you know the answer to this one? "The Louisiana Purchase was a transaction between France and which other country?"

70% knows the answer to this question: "In 2013, Hassan Rouhani became the new President of which country? "

And do you know the answer to this one? "In which sport was Bjorn Borg famous in the 1970s and 1980s?"

84% knows the answer to this question: "Which famous actress was born in 1972? "

And do you know the answer to this one? "The Cullinan diamond was mined in 1905 in which country?"

84% knows the answer to this question: "'Othello' was a play written by which historical figure? "

And do you know the answer to this one? "Michael Jordan was a famous 1980s name in which sport?"

50% knows the answer to this question: "How many eggs in 2 dozen? "

And do you know the answer to this one? "30 people drink 1 bottle of water each, how many 12 packs do you need?"

93% knows the answer to this question: "Which of these landforms is an area of land lying between hills or mountains? "

And do you know the answer to this one? "When a bit of sand gets trapped inside a shellfish, it fights the irritation with nacre, which it gets from calcite in seawater. What treasure results?"

81% knows the answer to this question: "Lead pollution is blamed for giving what animals floppy trunk syndrome, aka flaccid trunk paralysis? "

And do you know the answer to this one? "What animal is a large bird from the islands of Australia, Tasmania, and New Guinea?"

86% knows the answer to this question: "What object, which debuted in 1949, is sometimes called a "45"? "

And do you know the answer to this one? "What technical term is used to describe copying something from a web server to a computer?"

40% knows the answer to this question: "What is the common name for the currency of the Republic of India? "

And do you know the answer to this one? "What civilization built the great city of Machu Pichu in Peru?"

58% knows the answer to this question: "In aromatherapy, what is lavender is said to help with? "

And do you know the answer to this one? "Which mountain was the home of the Greek gods?"

64% knows the answer to this question: "What is energy from the internal heat of the Earth called? "

And do you know the answer to this one? "What country launched Sputnik?"

72% knows the answer to this question: "In which field of the arts was Ludwig van Beethoven a famous name? "

And do you know the answer to this one? "What stick-like veggie's name comes from the Greek word for "sprout" or "shoot"?"