99% knows the answer to this question: "Which form of communication does a bird use? "

And do you know the answer to this one? "Which nation is linked with England by a 31-mile underwater rail "Chunnel" finished in 1994?"

99% 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? "Where was Nelson Mandela imprisoned?"

95% knows the answer to this question: "What gem sparkles because it captures light and slows it down to about 40% of its top speed? "

And do you know the answer to this one? "My mom was a cougar. No, really. Not the younger-man-chasing kind, an actual feline. What was I?"

97% knows the answer to this question: "The 1950s actress Sophia Loren was from which country? "

And do you know the answer to this one? "The description "contains more than two million works of art" best describes?"

97% knows the answer to this question: "Who sang the famous song "You're So Vain" (1972)? "

And do you know the answer to this one? "Who sang the famous song "Knockin' On Heavens Door" (1975)? "

97% knows the answer to this question: "Who sang the famous song "Layla (unplugged)" (1992)? "

And do you know the answer to this one? "Who sang the famous song "Starman" (1972)"

98% knows the answer to this question: "Whom did Camilla Shand meet for the first time on a wet afternoon in 1972 at a polo field on Windsor Great Park? "

And do you know the answer to this one? "In February 1952, who went up Kenya's Treetops Hotel a princess, but came down a queen?"

98% knows the answer to this question: "Who sang the famous song "(Sittin' On) The Dock Of The Bay" (1968) ? "

And do you know the answer to this one? "Who sang the famous song "Wake Me Up Before You Gogo" (1984)"

0% knows the answer to this question: "What does USSR stand for? "

And do you know the answer to this one? "Which country became the third nation to perform a space docking mission in 2012?"

98% knows the answer to this question: "Who sang the famous song "Honky Tonk Woman" (1969)? "

And do you know the answer to this one? "Who sang the famous song "I Never Loved a Man (The Way I Love You)" (1967)?"

96% knows the answer to this question: "Which form of scanning was introduced in 1971? "

And do you know the answer to this one? "Who was the founder of the Mongol Empire, established in the spring of 1206 AD?"

97% knows the answer to this question: "Who sang the famous song "Lay Lady Lay" (1969) "

And do you know the answer to this one? "Who sang the famous song "You Make Me Feel Like A Natural Woman" (1967)"