61% 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? "The Richter, Mercalli, Rossi-Forel and Omori scales all measure the impact of what sort of disaster?"

48% knows the answer to this question: "Which of these birds is an excellent mimic of the human voice and other sounds? "

And do you know the answer to this one? "What is the missing word: If you cannot be ..., be careful"

32% knows the answer to this question: "Dialysis is needed when which organs are failing? "

And do you know the answer to this one? "What vegetable crop do we pick and eat the ears of? "

38% knows the answer to this question: "What state would you find the capital city of Santa Fe? "

And do you know the answer to this one? "The frankfurter wiener gets its name from two different cities, where the locals speak what language?"

62% knows the answer to this question: "In 2001, what disease got started with some pigs in Northumberland, England? "

And do you know the answer to this one? "Over 2,340 miles, what river forms the boundary or part of the boundary of nine states?"

83% knows the answer to this question: "Originally in 1932, the Three Musketeers bar was three separate nougat bars, each a different flavor. Which of these was not one of them? "

And do you know the answer to this one? "Which of these is in the vegetables group?"

49% knows the answer to this question: "Microsoft developed what as email services became popular? "

And do you know the answer to this one? "In 1962, the United States was involved in a missile-related standoff involving what nearby nation?"

41% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "Which word is spelled wrong?"

51% knows the answer to this question: "Who wrote the original draft of the Declaration of Independence? "

And do you know the answer to this one? "Which of the following is a unit for measuring liquids?"

50% knows the answer to this question: "Where is the Eurotunnel? "

And do you know the answer to this one? "What annual event takes place on the White House lawn each Easter Monday for children?"

44% knows the answer to this question: "The fluorine in this binds so tightly to the carbon that it won't stick to anything else, included cooked-in food. What is it? "

And do you know the answer to this one? "In 2014, 5 people were killed in an explosion at a Mitsubishi plant in which country?"

93% knows the answer to this question: "Janet Reno, Michael J Fox, Muhammad Ali and John Paul II all suffered from what disease? "

And do you know the answer to this one? "What was the name of the currency in France before the euro?"