85% knows the answer to this question: "Which company introduced a box camera called the Brownie in 1900? "

And do you know the answer to this one? "A ripe watermelon has a rind that is what color?"

42% knows the answer to this question: "The male of what mainly nocturnal insect produces a loud, rhythmic, chirping sound? "

And do you know the answer to this one? "In "My Fair Lady," Eliza could have done this all night. And still have begged for more! What?"

90% knows the answer to this question: "Which former UN Secretary-General brokered a peace agreement in Syria in 2012? "

And do you know the answer to this one? "Who ruled Ethiopia between 1916 and 1974?"

42% knows the answer to this question: "In what year did these events happen: the state of Israel is proclaimed; Mahatma Gandhi is assassinated; and the Summer Olympics are held in London? "

And do you know the answer to this one? "In 2005, archaeologists found three 35,000-year-old instruments in Germany made of bone and mammoth tusk. What kind of instruments were they?"

75% knows the answer to this question: "In 1982, who woke up at home to find an intruder sitting on the end of her bed? "

And do you know the answer to this one? "Which of these Ancient Battles occurred earliest?"

31% knows the answer to this question: "Who is John Newcombe? "

And do you know the answer to this one? "How many pieces of fruit and veg are we told to eat daily?"

78% knows the answer to this question: "What nationality was Claude Debussy? "

And do you know the answer to this one? "What is the name of the identifying page that is included with a fax?"

89% knows the answer to this question: "If notebooks cost $1.25 each and you need five, how much will they cost? "

And do you know the answer to this one? "What group recorded the most well-known version of the 12-bar-blues-based song "Rock Around the Clock" in 1954?"

70% knows the answer to this question: "Which of these US states has the highest population? "

And do you know the answer to this one? "Who became the supreme leader of North Korea on 28 December 2011?"

48% knows the answer to this question: "When plaque hardens on your teeth what does it form? "

And do you know the answer to this one? "The Houses of Parliament in London consist of the House of Commons & which other 'House'?"

75% knows the answer to this question: "What city square in the center of Beijing, China is the fourth largest city square in the world? "

And do you know the answer to this one? "Deficiency in what can cause anemia?"

95% knows the answer to this question: "Every day at dusk, 20 million of what animal flutter out of Bracken Cave near San Antonio? "

And do you know the answer to this one? "In what country did Okonomiyaki originate? "