42% knows the answer to this question: "A zincographer worked with which metal? "

And do you know the answer to this one? "In which Canadian province is French the sole official language, and English actively suppressed?"

86% knows the answer to this question: "What are food preservatives designed to do? "

And do you know the answer to this one? "What colour is standard cellophane?"

48% knows the answer to this question: "How many days will it take to drive 3500 miles if you average 700 miles each day? "

And do you know the answer to this one? "What is half of 32, times 6?"

72% knows the answer to this question: "What was the name of the brothers who made the first controlled, sustained flight of a powered aircraft? "

And do you know the answer to this one? "This German printer invented the printing press in 1440."

79% knows the answer to this question: "The medical term, "ophthalmic", is best defined as? "

And do you know the answer to this one? "How many Fallopian tubes does the average woman have?"

83% knows the answer to this question: "What fruit is so closely related to the pumpkin that many so-called pumpkins are actually that fruit? "

And do you know the answer to this one? "Mascarpone is a type of what?"

87% knows the answer to this question: "What is the capital city of Mexico, and the largest city in North America by population? "

And do you know the answer to this one? "What is the periodic rise and fall in the ocean's water level called?"

54% knows the answer to this question: "What is 459,847 rounded to the nearest 1,000? "

And do you know the answer to this one? "Which Tom was Castaway at the cinema?"

86% knows the answer to this question: "What is the capital of Ukraine? "

And do you know the answer to this one? "A famous bridge over which harbour opened in 1932?"

43% knows the answer to this question: "Which word is spelled wrong? "

And do you know the answer to this one? "Which word is spelled wrong?"

35% knows the answer to this question: "In what region were most members of the oil organization OPEC situated in the 1990s? "

And do you know the answer to this one? "If you want to enjoy Mardi Gras in Rio de Janeiro, which continent should you visit?"

90% knows the answer to this question: "If you found £18 on the floor and then won £4054 on a scratch card, How much money would you be up? "

And do you know the answer to this one? "A deadly disease affecting which trees first emerged in 1975?"