66% knows the answer to this question: "What was the name of Germany's World War Two boat created by Admiral Karl Donitz? "

And do you know the answer to this one? "Towards what historical city do Muslims face when praying?"

82% knows the answer to this question: "Which term means pertaining to pregnancy? "

And do you know the answer to this one? "Which term describes plastic surgery on a person's chin?"

54% knows the answer to this question: "Which European country has the national anthem 'God Save the Queen'? "

And do you know the answer to this one? "Complete the title of the Tammy Wynette UK chart-topper: 'Stand By Your ...'?"

68% knows the answer to this question: "Which of the following is an oven used to fire pottery or ceramics? "

And do you know the answer to this one? "The Colorado river flows in to which of these states?"

77% knows the answer to this question: "Who sang the famous song "Blueberry Hill" (1957)? "

And do you know the answer to this one? "Who sang the famous song "Standing on the Corner (Blue Yodel #9)" (1930)?"

86% knows the answer to this question: "What was the name of the General who led the U.S. forces that were defeated by allied Native American tribes at the Battle of the Little Bighorn? "

And do you know the answer to this one? "The ancient Romans built 'aqueducts' to carry what?"

66% knows the answer to this question: "What term is used for an adult chicken that lays eggs? "

And do you know the answer to this one? "Which list of words is in alphabetical order?"

40% 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?"

63% 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?"

77% 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)?"

56% 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?"

53% 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?"