45% knows the answer to this question: "Chosen from Britain's armed forces, what guardians of the Crown Jewels will sometime act as royal bodyguards? "

And do you know the answer to this one? "Up to 50 miles wide but generally less than a foot deep, what Florida marsh is known as the River of Grass?"

68% knows the answer to this question: "What record label signed The Supremes? "

And do you know the answer to this one? "Illumination of the night sky is also known as what?"

64% knows the answer to this question: "What did Ray Charles have "on my mind"? "

And do you know the answer to this one? "A famous panel of the Sistine Chapel features the creation of who?"

52% knows the answer to this question: "What does a carnivore eat? "

And do you know the answer to this one? "In a survey in the early 1990s, what French Riviera nation had the world's highest number of Rolls Royces per capita?"

53% knows the answer to this question: "What does the description "only wall left of King Herod's temple" best describe? "

And do you know the answer to this one? "Which Danish writer wrote many famous fairy tales?"

78% knows the answer to this question: "What is 97 plus 32? "

And do you know the answer to this one? "What is added to 56 to make 99?"

80% knows the answer to this question: "What does the abbreviation C.I.A. stand for? "

And do you know the answer to this one? "Spaghetti and pizza are foods originating from which country?"

69% knows the answer to this question: "What do city trucks spread on roads to melt ice? "

And do you know the answer to this one? "Brussels is in which European country?"

82% knows the answer to this question: "What colour are you said to be in when you owe money? "

And do you know the answer to this one? "What type of music did Deep Purple and Alice Cooper play in the 70s?"

77% knows the answer to this question: "What is a third of 27? "

And do you know the answer to this one? "How many months in three decades?"

66% knows the answer to this question: "What is 123 times 4? "

And do you know the answer to this one? "What is twice 65, minus 10?"

35% knows the answer to this question: "Finish The Lyric: "Yesterday, all my troubles"? "

And do you know the answer to this one? "What is the first month of the year with 31 days?"