30% knows the answer to this question: "Today, Australia is overrun with them, but their slime does make you a bit high. What is it? "

And do you know the answer to this one? "Originally a cross between the cabbage and the white turnip, what root vegetable is also called a Swedish turnip?"

81% knows the answer to this question: "How many $12.00 items can you buy if you have $144.00? "

And do you know the answer to this one? "Ashildr sneezed 144 times in 12 days. How many times did she sneeze each day?"

69% knows the answer to this question: "Which of these four oceans is the largest? "

And do you know the answer to this one? "In 2014, who succeeded Jimmy Fallon as host of NBC's "Late Night"?"

44% knows the answer to this question: "Whose car doesn't have a number plate when they are on official business? "

And do you know the answer to this one? "Which member of the Labour Party was elected Prime Minister of the United Kingdom in 1997?"

77% knows the answer to this question: "What type of friendly cartoon creature was Casper? "

And do you know the answer to this one? "Who sang the famous song ”Johnny B Goode” (1958)?"

56% knows the answer to this question: "The Spanish Inquisition took place in what country? "

And do you know the answer to this one? "Purple jelly, jam and popsicles are all made from which fruit?"

73% knows the answer to this question: "What does 50% of 2,000 equal? "

And do you know the answer to this one? "What is a 9 letter word meaning "to spend sparingly"?"

53% knows the answer to this question: "Spartacus was set in which empire? "

And do you know the answer to this one? "What is the name of the American newspaper heiress who was kidnapped by the Symbionese Liberation Army, an urban militant group she later joined, in 1974?"

69% knows the answer to this question: "Who was Japan's Emperor at the beginning of World War Two? "

And do you know the answer to this one? "Where would you see a German Zeppelin?"

45% knows the answer to this question: "What currency does the former Soviet republic of Belarus use? "

And do you know the answer to this one? "What was the name of the plane that dropped an atomic bomb on Hiroshima?"

75% knows the answer to this question: "Which event happened first? "

And do you know the answer to this one? "What decade was Swinging?"

78% knows the answer to this question: "How did Salvatore "Sonny" Bono die in 1998? "

And do you know the answer to this one? "Which king of the Neo-Babylonian Empire (612-538 BC) submitted Palestine and conquered Jerusalem in 586 BC?"