78% knows the answer to this question: "Which of these were first developed by the Roman Empire? "

And do you know the answer to this one? "Which of these places has the highest population?"

54% knows the answer to this question: "Which cathedral city shares its name with a rifle? "

And do you know the answer to this one? "Pierre Trudeau became Prime Minister of which country in 1968?"

79% knows the answer to this question: "After the Battle of Hastings, what did William become known as? "

And do you know the answer to this one? "Which country invaded the Japanese island of Iwo Jima in 1945?"

52% knows the answer to this question: "Who sang the famous song "Bat Out Of Hell" (1977) ? "

And do you know the answer to this one? "Who sang the famous song "Georgy Girl" (1966)? "

88% knows the answer to this question: "What was Boulder Dam renamed as, for the second time, in 1947? "

And do you know the answer to this one? "What accessory did Zippo Manufacturing Company introduce in 1933?"

43% knows the answer to this question: "Who had a Bad Romance in 2009? "

And do you know the answer to this one? "What type of tissue does the adenovirus affect?"

51% knows the answer to this question: "What word is used for a number less than zero? "

And do you know the answer to this one? "With what American city is the cheesesteak sandwich commonly associated?"

90% knows the answer to this question: "Three feet make one what? "

And do you know the answer to this one? "What would be a 10% tip on a £23.50 restaurant bill?"

32% knows the answer to this question: "What band's original members were often dressed up as a police officer, a Native American, a cowboy, a biker, a construction worker and a soldier? "

And do you know the answer to this one? "According to Little Eva, Grand Funk Railroad and Kylie Minogue, "everybody's doing a brand new dance now." What dance?"

77% knows the answer to this question: "What is an "unpowered fixed-wing heavier-than-air" craft called? "

And do you know the answer to this one? "Where is the Chihuahua from?"

40% knows the answer to this question: "The Magellan Road Mate, Garmin eTrex and TomTom Go are examples of what direction finding device? "

And do you know the answer to this one? "Which ice cream flavour usually contains vanilla, chocolate and strawberry?"

70% knows the answer to this question: "The Grand Canyon is in which country? "

And do you know the answer to this one? "... in all things"