92% knows the answer to this question: "What is the capital of the Netherlands? "

And do you know the answer to this one? "K-Y Jelly was first used in what medical field?"

35% knows the answer to this question: "Who sang the famous song "Rock With You" (1980)? "

And do you know the answer to this one? "What substance can layers of decayed plants form over time?"

67% knows the answer to this question: "Where would you find such major cities as Delhi, Chennai and Lucknow? "

And do you know the answer to this one? "In which continent is the Hoover Dam located?"

51% knows the answer to this question: "Complete the title of global smash hit app game 'Candy____Saga'. "

And do you know the answer to this one? "What was the name of the planet Superman was born on?"

48% knows the answer to this question: "Swollen gums, gums that are tender and bleeding are signs of what disease? "

And do you know the answer to this one? "What is the membrane that surrounds the brain and spinal cord called?"

58% knows the answer to this question: "Life-size terracotta warriors of the Qin Dynasty were discovered in what country? "

And do you know the answer to this one? "What sculpted character is sitting on a mushroom in Central Park, along with the March Hare, Dormouse, Cheshire Cat and Mad Hatter?"

31% knows the answer to this question: "Which of these UK cities is closest to Big Ben? "

And do you know the answer to this one? "What are the large masses of land containing most of the world's countries called?"

74% knows the answer to this question: "Vitamin D deficiency can lead to which disease? "

And do you know the answer to this one? "A painting of an apple, a book and flowers would be known as what?"

60% knows the answer to this question: "Before he was overthrown, Juan Peron planned to inter what wife of his in a monument larger than the Statue of Liberty, depicting a descamisado peasant? "

And do you know the answer to this one? "What is the name of the project that built the first nuclear weapon?"

58% knows the answer to this question: "Flautas is a food item of what type of cuisine? "

And do you know the answer to this one? "What was the name of President Nixon's first Attorney General?"

83% knows the answer to this question: "On November 22, 1963, who was shot and killed while riding in a Lincoln Continental? "

And do you know the answer to this one? "The description "build as an amphitheater that would be unmatched in size" best describes what?"

37% 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? "Where were the stockings hung in "The Night Before Christmas"?"