37% knows the answer to this question: "What kind of vegetable can you buy a "head" of? "

And do you know the answer to this one? "What is added to some types of pasta to make them green?"

70% knows the answer to this question: "LAX is an airport in which city? "

And do you know the answer to this one? "Szechuan noodles are a food item of what type of cuisine?"

60% knows the answer to this question: "Ashildr sneezed 144 times in 12 days. How many times did she sneeze each day? "

And do you know the answer to this one? "Two classes, which each had 20 pupils, shared a school bus for a day trip. 3 pupils from one class and four pupils from the other class were unable to travel. How many pupils were on the bus?"

75% knows the answer to this question: "What animal belongs to the group of aquatic mammals? "

And do you know the answer to this one? "Which political party was outlawed in West Germany in 1956?"

89% knows the answer to this question: "What was the first name of Miss Brodie, played on screen by Maggie Smith? "

And do you know the answer to this one? "In what country did scientists find a mass grave of about 50 "mega-wombats," each the size of a small car and weighing about three tons each?"

39% knows the answer to this question: "The Aswan High Dam was built on which river in 1970? "

And do you know the answer to this one? "What was approved as the national anthem of Paraguay in 1846?"

32% knows the answer to this question: "What "potato" is actually in the morning glory family and isn't a potato at all? "

And do you know the answer to this one? "If you want to make scotch, what should you age for three years in oak casks?"

83% knows the answer to this question: "Where is the infamous American base on Cuba where terrorists and terrorist suspects are held located? "

And do you know the answer to this one? "What form of currency is used in Italy? "

92% knows the answer to this question: "Indochinese, Sumatran and Bengal are all types of what? "

And do you know the answer to this one? "Which major city in the UK is represented by the postcode 'B'?"

74% knows the answer to this question: "What number came after "Catch" in the title of a popular Joseph Heller novel? "

And do you know the answer to this one? "What is compressed burned wood used for drawing called?"

50% knows the answer to this question: "... is certain but death and taxes "

And do you know the answer to this one? "Which country's government is communist?"

58% knows the answer to this question: "What is 70 minus 29? "

And do you know the answer to this one? "Which country lies directly to the south of Egypt?"