60% knows the answer to this question: "What maths word means to make an educated guess? "

And do you know the answer to this one? "The "Luftwaffe" was the name given to the air force of which country during World War II?"

61% knows the answer to this question: "The first Le Mans endurance race was run in which country in 1923? "

And do you know the answer to this one? "Who was not a U.S. President?"

42% knows the answer to this question: "What word means a number which isn't exact? "

And do you know the answer to this one? "What word means a score of zero in tennis?"

45% knows the answer to this question: "What was the surname of the family in western show "Bonanza"? "

And do you know the answer to this one? "Which piece of computer hardware can be laser, dot-matrix or inkjet?"

74% knows the answer to this question: "Which pair of animal species and type is correct? "

And do you know the answer to this one? "How many fingers plus toes do most people have?"

58% knows the answer to this question: "Born in the U.S.A' and 'Born to Run' are albums by which singer? "

And do you know the answer to this one? "After Moscow, what is Russia's second largest city?"

61% knows the answer to this question: "Basque country can be found in which country? "

And do you know the answer to this one? "Which musical direction means "increase the volume"?"

47% knows the answer to this question: "Which African American was dubbed the 20th century's "Queen of All Media"? "

And do you know the answer to this one? "Which fighter's bout with Andre Berto ended prematurely when his right eye closed up?"

66% knows the answer to this question: "What is half of 30 plus 97? "

And do you know the answer to this one? "How many 5p coins in 75p?"

38% knows the answer to this question: "Because showing images was discouraged, Islamic art features all but what? "

And do you know the answer to this one? "Which of these words most directly relates to the products of electromagnetic radiation?"

49% knows the answer to this question: "Pyruvic acid makes you cry and it provides the name for the pyruvate scale measures what foods' pungency? "

And do you know the answer to this one? "Chicago likes a deep dish. New York prefers a thin crust and St Louis likes an even thinner crust. What food is this?"

87% knows the answer to this question: "What is the opposite to ordinary matter called? "

And do you know the answer to this one? "A group of which insects is called an army or a colony?"