36% knows the answer to this question: "What is the best thing to drink to keep you hydrated? "

And do you know the answer to this one? "What common vegetable is often used on the eyes to reduce puffiness?"

34% knows the answer to this question: "Where was the first Beatles appearance in America? "

And do you know the answer to this one? "Pittsburgh Pirates are an MLB team in which US state?"

85% knows the answer to this question: "What is the name of the spice that grows as a tall, tropical green grass with the taste of a yellow fruit? "

And do you know the answer to this one? "Often made from apples, the name of what pastry literally mean "whirlpool" in German?"

46% knows the answer to this question: "The Israeli flag features what six-pointed shape? "

And do you know the answer to this one? "Before becoming Britain's prime minister, who worked with a voice coach from the National Theater to get her voice pitched 46 hertz lower?"

48% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "Which island is affectionately called the Emerald island?"

31% knows the answer to this question: "Which area of the body has the largest bone? "

And do you know the answer to this one? "What was the name of the mentor of King Arthur?"

64% knows the answer to this question: "King Edward VIII gave up the throne in 1936 in order to do what? "

And do you know the answer to this one? "A severe outbreak of which disease began in West Africa in 2014?"

73% knows the answer to this question: "What is an electrical tracing of the heartbeat or heart rhythm called? "

And do you know the answer to this one? "What is damage to the brain called, in a medical context?"

64% knows the answer to this question: "During which Civil War did the 'Battle of Memphis' take place? "

And do you know the answer to this one? "Where would you find such major cities as Delhi, Chennai and Lucknow?"

33% knows the answer to this question: "What shape is the Washington, D.C. Department of Defense headquarters which opened in 1943? "

And do you know the answer to this one? "What is the only country bordering Vatican City?"

73% knows the answer to this question: "Which raw material is used to make plastic? "

And do you know the answer to this one? "What country did Queen Mary I rule or govern?"

54% knows the answer to this question: "What would you call "a sense of tiredness and losing stamina"? "

And do you know the answer to this one? "What is the general term pertaining to the blood vessels that supply the heart?"