46% knows the answer to this question: "Which day was first celebrated on April 22 1970? "

And do you know the answer to this one? "A supermarket sells 256 bags of apples a day, but twice as many bags of bananas. How many bananas does it sell?"

51% knows the answer to this question: "The common name of the flat oval fish is what? "

And do you know the answer to this one? "Sterling silver is 92.5 percent silver. What reddish metal usually makes up the other 7.5 percent?"

89% knows the answer to this question: "Three children got 9 easter eggs each. They ate 6, and used 8 to make cake. How many are left? "

And do you know the answer to this one? "How many sides on four triangles?"

83% knows the answer to this question: "What is the frequency of Olympics? "

And do you know the answer to this one? "Which former child star announced her retirement at the end of 1950?"

60% knows the answer to this question: "What is the scientific term for "everything that exists"? "

And do you know the answer to this one? "Which of the following is a unit for measuring liquids?"

54% knows the answer to this question: "Fresh from a revolution, what became the first country to decriminalize homosexuality, in 1791? "

And do you know the answer to this one? "What continent was Princess Elizabeth visiting when she learnt that her father, George VI, had died during the night and that she was the new Queen?"

75% knows the answer to this question: "The PGA Tour, the LPGA Tour, the Champions Tour and the Nationwide Tour are all part of what sport? "

And do you know the answer to this one? "What word completes the title of a 1975 movie 'Monty Python and the Holy ___________'?"

68% knows the answer to this question: "Which of these states of the USA extends the furthest north? "

And do you know the answer to this one? "In which city is the tourist attraction Pere-Lachaise Cemetery located?"

42% knows the answer to this question: "Who sang the famous song "The Twist" (1962)? "

And do you know the answer to this one? "Cannelloni is a food item of what type of cuisine?"

63% knows the answer to this question: "Joints like the hip are known as a what and socket joint? "

And do you know the answer to this one? "What is the name of the large vein which drains blood from the head?"

59% knows the answer to this question: "What is the total of 9 + 2 + 1? "

And do you know the answer to this one? "A café sells 12 cups of tea an hour, but twice as much coffee. How many cups of coffee does it sell in 6 hours?"

66% knows the answer to this question: "At 25,216 ft, the Bartlett Deep, better known as the Cayman Trench, is the deepest section of what sea? "

And do you know the answer to this one? "The Yorkshire town of Whitby is home to a twice-yearly gathering of who?"