37% knows the answer to this question: "What was put in a window during the Victorian era to symbolize warmth? "

And do you know the answer to this one? "In 1940, after seizing the French archives, the Nazis publicly destroyed the master copy of what treaty?"

55% knows the answer to this question: "What is 33 times 5? "

And do you know the answer to this one? "The "salsa" was derived from which dance?"

32% knows the answer to this question: "A rat is classified as which of these? "

And do you know the answer to this one? "What is the part of a plant from which another plant can grow?"

94% knows the answer to this question: "What is the missing word: Every man has his ... "

And do you know the answer to this one? "Over which Scottish town did a Pan Am jumbo explode in '88 as the result of a bomb?"

58% 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?"

31% knows the answer to this question: "The small sensory organs located on the tongue are called taste what? "

And do you know the answer to this one? "A person who is allowed to act or make decisions for another is called a what?"

31% knows the answer to this question: "3 farmers grew 45 watermelons between them. If Farmer 1 grew 18 watermelons and Farmer 2 grew 12 watermelons, how many did Farmer 3 grow? "

And do you know the answer to this one? "A spina bifida is a spinal birth what?"

52% knows the answer to this question: "What was the name of the 1950s rubber joke toy which made rude noises? "

And do you know the answer to this one? "Which of the following is not a mammal?"

84% knows the answer to this question: "What "edible" variation on the Twist inspired Bobby Pickett to rename his monster song? "

And do you know the answer to this one? "The Last Ship was a 2013 studio album by which former member of the Police?"

73% knows the answer to this question: "Who sang the famous song "Johnny B Goode" (1958)? "

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

57% knows the answer to this question: "In Barry Manilow's song "Copa Cabana" he sings about a showgirl. What is her name? "

And do you know the answer to this one? "Which of these is NOT a city in Florida?"

71% knows the answer to this question: "What number is 4 times the sum of 2 + 2? "

And do you know the answer to this one? "Widely expected to get annihilated, what successor to the very unpopular Margaret Thatcher instead won the highest share of the popular vote ever recorded in a UK election?"