84% knows the answer to this question: "What militant group began an offensive through Northern Iraq in 2014? "

And do you know the answer to this one? "Which food is in the fruit group?"

47% knows the answer to this question: "What popular blog features street portraits and interviews on the streets of New York City? "

And do you know the answer to this one? "Do-Re-Mi is a song from which musical?"

52% knows the answer to this question: "How are domesticated canines more commonly known? "

And do you know the answer to this one? "Which of the following land areas is the largest? "

54% knows the answer to this question: "What best selling book is about an actor who searches for his mysterious father? "

And do you know the answer to this one? "Which state is ranked 1st in water area with 86,051 square miles?"

51% knows the answer to this question: "Pregnancy in humans lasts how many days? "

And do you know the answer to this one? "What group of animals is warm-blooded and has fur or hair?"

65% knows the answer to this question: "What New York park is home the Metropolitan Museum of Art (on Fifth Avenue), its own zoo, a meteorological observatory and a former arsenal? "

And do you know the answer to this one? "On what continent do the borders of Botswana, Namibia, Zambia and Zimbabwe meet at a single point called the Four Corners Heartland?"

53% knows the answer to this question: "What kind of astronomical body is officially known as IP/Halley? "

And do you know the answer to this one? "Which organisation was awarded the Nobel Peace Prize in 1917?"

39% 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? "The Sino-Japanese war was fought between Japan and which country?"

56% knows the answer to this question: "What country is bordered by Somalia, Ethiopia, Tanzania and Uganda? "

And do you know the answer to this one? "People in what country started eating rat sour soup, fried rat, curried rat and grilled rat once the rodents returned en masse to the Mekong Delta?"

57% knows the answer to this question: "What is the process of taking scrap materials and using them again called? "

And do you know the answer to this one? "What is a huge river of ice called?"

75% knows the answer to this question: "What device in the shape of the shoulders are designed to facilitate the hanging of a coat? "

And do you know the answer to this one? "What does a black box do on an airplane?"

46% knows the answer to this question: "Which of these land animals is the tallest? "

And do you know the answer to this one? "In a Spanish family, who is known as "el padre"?"