30% knows the answer to this question: "What were the persistent air attacks on London during World War II called? "

And do you know the answer to this one? "What do the five rings on Olympic flag represent?"

61% knows the answer to this question: "Of these, which was a world leader in the 80s? "

And do you know the answer to this one? "In the 80s, General Jaruzelski was the leader of which European country? "

60% knows the answer to this question: "Mikhail S. Gorbachev was President of what nation? "

And do you know the answer to this one? "What kind of slipper does "Cinderella" wear?"

77% knows the answer to this question: "The Indian film industry is often called what? "

And do you know the answer to this one? "How many golden rings are given in the "Twelve Days of Christmas" song?"

57% knows the answer to this question: "Most of Siberia is within which country? "

And do you know the answer to this one? "Who combined nitroglycerin and gunpowder to create Swedish Blasting Oil?"

95% knows the answer to this question: "Finish the title of this Ricky Martin song: 'Livin' la Vida?' "

And do you know the answer to this one? "What is the main active chemical in marijuana?"

85% knows the answer to this question: "In which of these cities are you most likely to meet a Catalan nationalist? "

And do you know the answer to this one? "Bounded by Canal Street, West Street, Broadway and Vesey Street, Tribeca is the "Triangle below Canal" Street, in what city?"

58% knows the answer to this question: "After 50 years, the leaders of the U.S. and which other country finally met again in April 2015? "

And do you know the answer to this one? "What is the capital of the Czech Republic?"

55% knows the answer to this question: "After a volcano ejected glass particles in 2010, traffic was stopped dead in much of the world, leading 23 year-old Scottish traveler Anton McEneny to interrupt a Sky News broadcast with what pronouncement? "

And do you know the answer to this one? "You can get ironic advice from Art Student Owl or Hipster Kitty, but what duck-themed image macro offered earnest advice?"

94% knows the answer to this question: "Which is India's most sacred river? "

And do you know the answer to this one? "LHR is the code for which airport?"

35% knows the answer to this question: "In 16th- and 17th-century Europe, what class of people found ballroom dancing a popular pastime? "

And do you know the answer to this one? "What music genre is most often associated with Willie Nelson?"

34% knows the answer to this question: "What French Fauvist painter and sculptor lived from 1869-1954? "

And do you know the answer to this one? "When La Marche de l'Empereur became March of the Penguins, a new voice was found to narrate the English edition. Who?"