32% knows the answer to this question: "What two countries are connected by the Khyber Pass? "

And do you know the answer to this one? "Pretoria is nicknamed for this tree. And it has come to represent Argentina. What is this tree with purple-blue flowers?"

81% knows the answer to this question: "The Hundred Years' War was fought between which two countries? "

And do you know the answer to this one? "What famous scientist turned down the chance to be President of Israel in 1952?"

92% knows the answer to this question: "What do indefinite pronouns refer to? "

And do you know the answer to this one? "During the American civil War, in which year did the battle of 'Santa Rosa Island' take place?"

81% knows the answer to this question: "What does a nucivorous animal mainly eat? "

And do you know the answer to this one? "Not only did both of my parents win Nobel Prizes, but I shared one with my own husband in 1935. Who am I?"

57% knows the answer to this question: "A purple stripe on a Roman tunic was a sign of what? "

And do you know the answer to this one? "Why would you want a HVAC system for your house?"

60% knows the answer to this question: "Which of these is not a UK port? "

And do you know the answer to this one? "Don't be dumb. What word describes an angle between 90 and 180 degrees?"

56% knows the answer to this question: "Which of these phrases best describes conflict? "

And do you know the answer to this one? "Immediately after the end of World War I, what natural disaster hit Europe?"

58% knows the answer to this question: "What British poet wrote "The Charge of the Light Brigade"? "

And do you know the answer to this one? "What was the name of the leader of the Protestant sect the Branch Davidians, who was killed in the Waco Siege of 1993?"

38% knows the answer to this question: "What sort of bird is a 'Muscovy'? "

And do you know the answer to this one? "Working in Mexico, Norman Borlaug launched what agricultural revolution with a dwarf strain of wheat?"

90% knows the answer to this question: "What was the alignment of nations the Axis fought in World War II called? "

And do you know the answer to this one? "The Battle of Atlantic was a major battle which occurred during which century?"

74% knows the answer to this question: "Which of these dishes is made with an Italian rice called arborio? "

And do you know the answer to this one? "Add a maraschino cherry instead of an olive to a martini. What do you have now?"

59% knows the answer to this question: "On what day was Jesus crucified? "

And do you know the answer to this one? "The Royal Albert Hall is named after which monarch's husband?"