38% knows the answer to this question: "A prison fire killed 300 people in what Central American country in 2012? "

And do you know the answer to this one? "To which famous Greek philosopher and legislator is the explanation of a universally known mathematical theorem commonly attributed?"

55% knows the answer to this question: "Which of the following is an insect? "

And do you know the answer to this one? "What group released the hit album 'Backstreet's Back' in 1997?"

81% knows the answer to this question: "What is a link between atoms in a molecule called? "

And do you know the answer to this one? "Which of the following is a small organism that can make your body sick?"

58% knows the answer to this question: "The first widely eaten salad in North America was popularised by the Dutch. It is made of raw shredded cabbage, what is it? "

And do you know the answer to this one? "What restaurant chain do the "Golden Arches" represent?"

33% knows the answer to this question: "Which of these countries is located in South America? "

And do you know the answer to this one? "What colorful forest in Baden-Wurttemberg is famous for its cherry cake, as well as for its wooden carvings, especially of cuckoo clocks?"

31% knows the answer to this question: "What is the name of the part of the human skeleton which protects our brain? "

And do you know the answer to this one? "What is the name for the distance all the way around a shape?"

34% knows the answer to this question: "What is the meaning of 'WWW'? "

And do you know the answer to this one? "Sam Panopoulous, a Greek-Canadian pizza maker, also claims to have invented what kind of pizza, even though pineapple is not especially either Greek or Canadian?"

44% knows the answer to this question: "Besides string and beads, what do you need to make a Native American Dream Catcher? "

And do you know the answer to this one? "Kolkata used to be called Calcutta. Where is it?"

71% knows the answer to this question: "In 2015, users of which social media site fell for a hoax viral news story about privacy notices? "

And do you know the answer to this one? "Which former British Prime Minister died in 2013?"

84% knows the answer to this question: "What animal is a water bird that is often raised on farms? "

And do you know the answer to this one? "What number represents "a checking account with $900 in it"?"

48% knows the answer to this question: "What US state has built up an impressive wine industry, notably in its Sonoma and Napa counties? "

And do you know the answer to this one? "Who shot Lee Harvey Oswald?"

58% knows the answer to this question: "What season has the warmest weather in the U.S.? "

And do you know the answer to this one? "What country is bordered by Somalia, Ethiopia, Tanzania and Uganda?"