84% knows the answer to this question: "Which annual summit took place in Northern Ireland in June of 2013? "

And do you know the answer to this one? "What international holiday, started in 1970, celebrates the environment?"

36% knows the answer to this question: "Who sang the famous song "Graceland" (1987) ? "

And do you know the answer to this one? "Who sang the famous song "Homeward Bound" (1966)?"

75% knows the answer to this question: "What is a common unit of depth in the ocean? "

And do you know the answer to this one? "Which of these was a famous Native American chief?"

42% knows the answer to this question: "Which word is spelled wrongly? "

And do you know the answer to this one? "Which country's main historical events include the Renaissance and the Risorgimento?"

85% knows the answer to this question: "What duo made the international 1970s hit 'Bridge Over Troubled Water'? "

And do you know the answer to this one? "If you owe $120, how many $6 payments would you make?"

74% knows the answer to this question: "Which Japanese film company takes its name from the mythological home of the Greek gods? "

And do you know the answer to this one? "When Prince Arthur, heir apparent, died at age 15, who suddenly was next in line to become king, and even ending marrying Arthur's wife Catherine of Aragon?"

56% knows the answer to this question: "Prince Khurram fell in love with Arjumand Banu Begum. What famous building is an eternal monument to that love? "

And do you know the answer to this one? "Peru is located in which continent?"

76% knows the answer to this question: "How many minutes are in 7 hours? "

And do you know the answer to this one? "Lia has 640 DVDs and Esther has 220 fewer. How many does Esther have?"

89% knows the answer to this question: "Charles de Gaulle rewrote the constitution of which country in the late 50s? "

And do you know the answer to this one? "What song hit #1 in 1963 by The Beatles?"

89% knows the answer to this question: "An unintended deep cut or tear to the flesh is called a what? "

And do you know the answer to this one? "What unit of length is equal to one-third of a yard?"

51% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "What year did the Hindenburg disaster occur?"

67% knows the answer to this question: "Where did Napoleon Bonaparte suffer his last defeat? "

And do you know the answer to this one? "Why is the freestanding bell tower of the cathedral of Pisa known worldwide?"