33% knows the answer to this question: "What U.S. state declared independence from Mexico in 1836? "

And do you know the answer to this one? "In 1997, NASA's Pathfinder space probe lands on the surface of which planet?"

83% knows the answer to this question: "Which English castle was restored at the end of 1997 at a cost of £37 million? "

And do you know the answer to this one? "From West Africa, Synseplaum dulcificum is called miracle berry, and its key ingredient, miraculin, produces what effect, one especially handy if you don't like lemons?"

73% knows the answer to this question: "Mount Fuji is the highest point in what country? "

And do you know the answer to this one? "What is the German specialty "bratwurst" in English?"

37% knows the answer to this question: "Who sang the famous song "We Will Rock You" (1977) "

And do you know the answer to this one? "Who sang the famous song "Strangers In The Night" (1966) ?"

89% knows the answer to this question: "Who sang the famous song "I Heard It Through The Grapevine" (1969) "

And do you know the answer to this one? "Who sang the famous song "Fernando" (1975)"

74% knows the answer to this question: "Which President of Venezuela died in 2013? "

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

90% knows the answer to this question: "Which Asian country landed a rover on the Moon in 2013? "

And do you know the answer to this one? "In 1982, Argentina invaded the Malvinas. What do the rest of us call the Malvinas?"

70% knows the answer to this question: "Roman men wore togas and Roman women wore what? "

And do you know the answer to this one? "Mrs. Dalloway was a book written by which author?"

68% knows the answer to this question: "Who sang the famous song "Eleanor Rigby" (1966) "

And do you know the answer to this one? "Who sang the famous song "Homeward Bound" (1966)"

85% knows the answer to this question: "Two Libyan agents bombed Pan Am Flight 103, which came down on Sherwood Crescent in Lockerbie in 1988. Where is this? "

And do you know the answer to this one? "Who was the first ancient Greek to adopt a scientific approach to medicine?"

80% knows the answer to this question: "What was the name of the Pope who died in 2005? "

And do you know the answer to this one? "The 26th Amendment to the Constitution in 1971 lowered voting age from 21 to what?"

43% knows the answer to this question: "Which country unified its East and West sides in 1990? "

And do you know the answer to this one? "In 1917, King George V changed the family name to what surname as a result of anti-German public sentiment?"