44% knows the answer to this question: "What singing duo was originally called Caesar and Cleo? "

And do you know the answer to this one? "Which country put the Mariner spacecraft into orbit?"

93% knows the answer to this question: "Which light bulb should burn brightest? "

And do you know the answer to this one? "Which company is responsible for messages called Tweets?"

54% knows the answer to this question: "I'm an Olympic swimmer who won 22 medals. Who am I? "

And do you know the answer to this one? "What animal is a large North American bird that honks?"

71% knows the answer to this question: "Which scientific term is best defined as "the area influenced by an object's gravity"? "

And do you know the answer to this one? "What Dutch Post-Impressionist artist cut off his left ear with a razor in 1888?"

84% knows the answer to this question: "The Brandenburg Gates are located in which European country? "

And do you know the answer to this one? "Which country was banned from the Olympics in 1964 as the team was segregated by race?"

58% knows the answer to this question: "In which French building would you associate with Quasimodo? "

And do you know the answer to this one? "What country is made up of 3,000 islands, the largest being Honshu, Hokkaido, Kyushu and Shikoku?"

84% knows the answer to this question: "What type of vehicle is a London Taxi traditionally? "

And do you know the answer to this one? "What kind of pad do you slap rubber stamps onto before pressing them onto paper?"

32% knows the answer to this question: "What medical term is used when a person is unconscious? "

And do you know the answer to this one? "Which area of the UK is represented by the triskelion?"

87% knows the answer to this question: "What is the more common term for haemorrhoids? "

And do you know the answer to this one? "What was made for walking, according to Nancy Sinatra in 1966?"

51% knows the answer to this question: "What is the condition in which person will not eat, lack of appetite? "

And do you know the answer to this one? "Whose house is "Over the River and Through the Woods"?"

83% knows the answer to this question: "If you were hungry for Thai food what might you eat? "

And do you know the answer to this one? "WIND is a radio station in what Windy City?"

36% knows the answer to this question: "Who were the begonia, dahlia, fuchsia, gardenia, magnolia and zinnia named for? "

And do you know the answer to this one? "What is the richest city in the UK?"