87% knows the answer to this question: "If a $64 book is discounted 10%, what is the amount of the discount? "

And do you know the answer to this one? "For the flavour it gets from fermenting bacteria, what does sauerkraut literally mean?"

39% knows the answer to this question: "What is the missing word: Better to remain silent and be thought a fool than to speak and remove all .... "

And do you know the answer to this one? "In what year was Maggie Thatcher first elected UK Prime Minister?"

86% knows the answer to this question: "What is half of 34, plus 8? "

And do you know the answer to this one? "A pizza cut in fourths has how many pieces? "

43% knows the answer to this question: "Cairo is the capital of which country? "

And do you know the answer to this one? "Which of these states is on the west coast of America?"

54% knows the answer to this question: "Franklin D Roosevelt launched the "New Deal" in which decade? "

And do you know the answer to this one? "Who ranked Barack Obama among its 100 Most Influential People in the World in 2005, 2007 and 2008?"

38% knows the answer to this question: "A "pride" is a group of which of these animals? "

And do you know the answer to this one? "Rosa Parks refused to give up her seat on which method of transport in 1955?"

36% knows the answer to this question: "Rembrandt was Dutch, and Rembrandts are late-blooming varieties of what perennials, associated with the Dutch? "

And do you know the answer to this one? "Five children have 275 stickers each. How many do they have altogether?"

92% knows the answer to this question: "A liquid that dissolves solids is called a what? "

And do you know the answer to this one? "An Obstetrician is a medical doctor that specializes in the management of what?"

49% knows the answer to this question: "What is the name of the highest mountain in Africa? "

And do you know the answer to this one? "What great leader, who resented Persian rule, easily conquered Egypt in 332 BC?"

68% knows the answer to this question: "Where is a section of Interstate 75 called Alligator Alley or Everglades Parkway? "

And do you know the answer to this one? "What is 25% of 400"

93% knows the answer to this question: "On which continent is the Hindu Kush mountain range? "

And do you know the answer to this one? "Which ingredient used in Chinese food has been criticized for its effects on the nervous system?"

50% knows the answer to this question: "Which of these is one of the three basic cloud forms? "

And do you know the answer to this one? "Which movie, based on Romeo and Juliet, was released in the US in 1961?"