46% knows the answer to this question: "What phenomenon is often visible at Niagara Falls? "

And do you know the answer to this one? "What animal builds canals and multi-chambered homes called lodges, using wood that they gnaw so it doesn't crush them?"

37% knows the answer to this question: "9 + 2 is equal to 5 plus what number? "

And do you know the answer to this one? "Which grouping of people adds up to an odd amount?"

65% knows the answer to this question: "What is guacamole made from? "

And do you know the answer to this one? "What is online data storage known as?"

54% knows the answer to this question: "What did Charles de Gaulle do? "

And do you know the answer to this one? "Which country with a total area of 237,500 square kilometers has Bucharest as its capital city?"

58% knows the answer to this question: "Which of these terms, meaning a type of non-romantic love, was named for a Greek philosopher? "

And do you know the answer to this one? "Which of these famous tourist destination in Europe?"

61% knows the answer to this question: "Haddock is a species of which animal? "

And do you know the answer to this one? "What technology closed open cattle ranges in 1867?"

72% knows the answer to this question: "A 10% increase made the price of an original Elvis record $330. What was the original price? "

And do you know the answer to this one? "Who sang the famous song There's a world (1972)? "

39% knows the answer to this question: "What is bring in from abroad? "

And do you know the answer to this one? "In honor of which music legend was New York's Strawberry Fields memorial dedicated in 1985?"

74% knows the answer to this question: "Which 1984 Christmas song had its proceeds donated to children in Africa? "

And do you know the answer to this one? "With which American political party is George W. Bush associated?"

54% knows the answer to this question: "Marie Antoinette of France was born in which country? "

And do you know the answer to this one? "Which country launched the Mangalyaan Mars Orbiter in 2013?"

36% knows the answer to this question: "Americans replace what cocktail's tomato juice with BBQ sauce to make a Bloody LeRoy? "

And do you know the answer to this one? "Queen Elizabeth II speaks what language fluently?"

30% knows the answer to this question: "In 1918, which killed at least 50 million people around the world? "

And do you know the answer to this one? "Which of these words means "to finish first"?"