64% knows the answer to this question: "Which one of these words means filled with joy? "

And do you know the answer to this one? "The contraction "don't" is made up of what two words?"

47% knows the answer to this question: "Made from batter, what English savoury dish is typically served with roast beef? "

And do you know the answer to this one? "What disease was initially called GRID, or gay-related immunodeficiency disease?"

65% knows the answer to this question: "Which US city is often called 'The Windy City'? "

And do you know the answer to this one? "Kingston is the capital of which country?"

62% knows the answer to this question: "What type of music did Deep Purple and Alice Cooper play in the 70s? "

And do you know the answer to this one? "What movie nearly starred Michelle Pfeiffer as Clarice Starling and Gene Hackman as Hannibal Lecter?"

88% knows the answer to this question: "Multiples of which number are always even? "

And do you know the answer to this one? "What duo made the international 1970s hit 'Bridge Over Troubled Water'?"

76% knows the answer to this question: "What country borders Canada and Mexico? "

And do you know the answer to this one? "Which of these characteristics allows an owl to see well at night?"

36% knows the answer to this question: "What are materials that come from the earth called? "

And do you know the answer to this one? "What is the condition where lack of blood supply kills off tissue?"

87% knows the answer to this question: "What was 'in the window' in the title of a 1950s hit by Pattie Page and Liza Roza? "

And do you know the answer to this one? "Phil Collins was chosen to be a drummer for which British rock band in 1970?"

88% knows the answer to this question: "Jerk chicken, fried plantains and mango ice cream are popular foods of what country's cuisine? "

And do you know the answer to this one? "Which U.S. state was named for William Penn?"

70% knows the answer to this question: "What is energy of motion called? "

And do you know the answer to this one? "What are the tiny blood vessels that connect arteries and veins?"

88% knows the answer to this question: "What shell-like building stands beneath Sydney Harbor Bridge, Australia? "

And do you know the answer to this one? "I'm a Scottish celebrity chef who hosts "Hell's Kitchen". Who am I?"

72% knows the answer to this question: "What does the immune system use to recognise bacteria and viruses? "

And do you know the answer to this one? "Who sang the famous song "Beat It" (1983)"