38% knows the answer to this question: "Which organisation adopted the Arms Trade Treaty in 2013? "

And do you know the answer to this one? "On her marriage in 2005, the Prince of Wales' wife assumed the title of the Duchess of which county?"

59% knows the answer to this question: "National monument Muir Woods in the San Francisco Bay area, is in which state? "

And do you know the answer to this one? "Freddie Mercury didn't consider himself a good piano player and therefore feared playing what song live?"

86% knows the answer to this question: "The famous boating area known as the Broads is in which English county? "

And do you know the answer to this one? "The Casket Letters suggest that what queen, also known as Mary Stuart, had a hand in killing her second husband, Lord Darnley?"

42% knows the answer to this question: "What is the missing word: ... impressions are the most lasting "

And do you know the answer to this one? "Which country does the tourist destination Cozumel belong to?"

39% knows the answer to this question: "Which luxury fabric was first used by the Chinese in the 27th century B.C.? "

And do you know the answer to this one? "An otter is classified as which of these?"

54% knows the answer to this question: "What do farmers called chopped feed and grain, found in airtight silos? "

And do you know the answer to this one? "What shape are the cereal pieces in Cheerios?"

89% knows the answer to this question: "You can find the Florida Keys at which location? "

And do you know the answer to this one? "Where was Nelson Mandela imprisoned?"

45% knows the answer to this question: "If I am 6 foot tall, how many inches tall am I? "

And do you know the answer to this one? "What is the name of the room in a hospital where operations are done?"

64% knows the answer to this question: "Who sang the famous song "Another Brick In The Wall" (1980)? "

And do you know the answer to this one? "What brother-sister team was the top-selling musical act through the 1970s?"

45% knows the answer to this question: "Which singer was 'Sitting on the dock of the bay'? "

And do you know the answer to this one? "Who is known as "Yaz" to the Red Sox fans?"

78% knows the answer to this question: "Which type of animal has hollow bones? "

And do you know the answer to this one? "Which Egyptian city was founded by Alexander the Great in 331 BC?"

46% knows the answer to this question: "Which music term means "the speed of a musical passage or composition"? "

And do you know the answer to this one? "What does "MRI" stand for?"