61% knows the answer to this question: "What color are ripe cherries? "

And do you know the answer to this one? "World War I officially ended on November 11, 1918, at 11 AM. At 10:59 AM, one minute before WWI officially ended, a demoted US soldier, Henry Gunther tried to regain his honor by leading a squad attack on a German machine gun roadblock in Chaumont-devant-Damvilliers, France. When was this?"

60% knows the answer to this question: "What is the frequency of Olympics? "

And do you know the answer to this one? "Movie director Aleksandr Ptushko was from which country?"

57% knows the answer to this question: "What is the most common side dish for an Italian-style meal? "

And do you know the answer to this one? "After giving up half its territory to France in 1861, the half with all the natural resources, what country instead turned to gambling?"

94% knows the answer to this question: "Nobody is sure how Felis silvestris catus makes this sound, and we're not even sure why, but we do know that the vibrations reduce stress in people, and that they occur at a frequency that helps bones heal. What sound is this? "

And do you know the answer to this one? "In 1924, what was then Petrograd was renamed Leningrad. What is that city called today?"

64% knows the answer to this question: "Who sang the famous song "Blueberry Hill" (1957)? "

And do you know the answer to this one? "Who sang the famous song "Eight Days A Week" (1965)?"

80% knows the answer to this question: "Who was Charles de Gaulle? "

And do you know the answer to this one? "In which country did Joan of Arc lead an army?"

82% knows the answer to this question: "Ireland's population grew phenomenally because of what New World food, then shrank again when the fungus Phytophthora infestans struck the crop in the 1840s? "

And do you know the answer to this one? "A field in which rice is grown is called a what?"

52% knows the answer to this question: "Which former First Lady died in 1994, 31 years after her husband was assassinated? "

And do you know the answer to this one? "What does the Statue of Liberty hold in her right hand?"

41% knows the answer to this question: "Quesadillas are included in which cuisine? "

And do you know the answer to this one? "Common in Asian cuisine, mangetout, snow, sugar and snap are varieties of what vegetable, eaten with the pod?"

30% knows the answer to this question: "In what century did two-thirds of Europe's Jews die, more than had died in 18 centuries worth of pogroms? "

And do you know the answer to this one? "In which century did the computer scientist and United States Navy officer Grace Hopper die?"

81% knows the answer to this question: "What is the radio call sign for any fixed wing plane when the US president is onboard? "

And do you know the answer to this one? "If Alex types 400 words in 10 minutes, how many words does he type in 1 minute?"

30% knows the answer to this question: "Which is a good estimate for the distance you might drive in 4 hours? "

And do you know the answer to this one? "In the equation 3 x 3 = 9, which number is the product?"