40% knows the answer to this question: "Most metals are grey in color; what is the only metal that is yellow? "

And do you know the answer to this one? "C is the chemical symbol for which element with the atomic number 6?"

74% knows the answer to this question: "In what decade did World War II end? "

And do you know the answer to this one? "Johannes Gutenberg, inventor of the printing press, was from which coumtry?"

56% knows the answer to this question: "Who sang the famous song "You'll Never Walk Alone" (1963) "

And do you know the answer to this one? "Who sang the famous song "Lay Lady Lay" (1969) ?"

49% knows the answer to this question: "Albert II abdicated as King of which country in 2013? "

And do you know the answer to this one? "Which of the following is not used as defence mechanism by camels?"

60% knows the answer to this question: "What grows from an acorn? "

And do you know the answer to this one? "What is a small scale current of air with vertical motion?"

55% knows the answer to this question: "Paraguay is located on which continent? "

And do you know the answer to this one? "Clarence has 32 cousins. Three quarters are men. How many are women?"

79% knows the answer to this question: "This fruit was once called a raisin, which explains why Christmas pudding is named for it, even though you don't use it to make Christmas pudding. What fruit is this? "

And do you know the answer to this one? "... is as stupid does"

81% knows the answer to this question: "What is a third of 21 plus 90? "

And do you know the answer to this one? "What is 25% of 60?"

74% knows the answer to this question: "The new industrialists built gas-lit factories close to the coalfields and rivers that powered them, and the workers followed, as cities swelled. What is the usual name for this period of British history? "

And do you know the answer to this one? "Romulus and Remus founded which European capital?"

55% knows the answer to this question: "Who sang the famous song "Tammy" (1957)? "

And do you know the answer to this one? "Who sang the famous song "(‘Til) I Kissed You" (1959)?"

82% knows the answer to this question: "The "Happy Meal" was introduced by which fast food chain in June 1979? "

And do you know the answer to this one? "Which fruit is Florida most famous for growing?"

42% knows the answer to this question: "Complete these lyrics to 'Over the Rainbow': 'Somewhere over the rainbow? "

And do you know the answer to this one? "In which French building would you associate with Quasimodo?"