89% knows the answer to this question: "Which of the following seafood animals lives in a shell? "

And do you know the answer to this one? "A bartender at Hotel Metropole in Brussels is credited with creating what cocktail in 1949, when he mixed vodka and coffee liqueur?"

54% knows the answer to this question: "Why are many flowers brightly colored? "

And do you know the answer to this one? "What device consists of one or more cells that produce direct current?"

67% knows the answer to this question: "Who sang the famous song ”All Night Long (All Night)” (1983)? "

And do you know the answer to this one? "Who sang the famous song ”I Left My Heart in San Francisco” (1962)?"

93% knows the answer to this question: "Who sang the famous song ”Johnny B Goode” (1958)? "

And do you know the answer to this one? "Who sang the famous song ”Crazy” (1961)?"

40% knows the answer to this question: "Students in what country eat Kit Kats before tests, as its name sounds like "kitto katsu," or "win without fail"? "

And do you know the answer to this one? "300 people were arrested in what Russian city during an anti-Vladimir Putin protest in 2012?"

56% knows the answer to this question: "What medical term is used when a person is unconscious for a longer period? "

And do you know the answer to this one? "Which of these is a North American raptor or bird of prey?"

39% knows the answer to this question: "If you damage rapidly ripening fruit, you increase the amount of ethylene it releases. Hence, as the proverb says, a bad one of what fruit really can spoil the whole barrel? "

And do you know the answer to this one? "By what name was the Albanian nun born Agnes Gonxha Bojaxhiu in 1910 later known? "

74% knows the answer to this question: "I'm the singer of "Wrecking Ball" and my dad was a country music star. Who am I? "

And do you know the answer to this one? "During WWII, the Japanese resorted to a (literally) suicidal method of warfare called kamikaze. What did this entail?"

85% knows the answer to this question: "The ballet "The Nutcracker" is especially popular during which holiday season? "

And do you know the answer to this one? "Of the following countries which is most renowned for making chocolate?"

70% knows the answer to this question: "Enro Rubik became a Communist millionaire thanks to what invention? "

And do you know the answer to this one? "What is artwork formed from the joining of fragments of cloth, magazines and other objects called?"

60% knows the answer to this question: "What is the scientific term for an animal that eats meat? "

And do you know the answer to this one? "What device consists of one or more cells that produce direct current?"

36% knows the answer to this question: "Strictly speaking, what food is bee vomit, since nectar is converted in the insect's oesophagus and then upchucked? "

And do you know the answer to this one? "Which animal is not a rodent?"