51% knows the answer to this question: "Who sang the famous song "My Happiness" (1959)? "

And do you know the answer to this one? "What rock and roll pioneer dies in a plane crash in February 1959?"

48% knows the answer to this question: "What is the saltiest water in the world, nine times as salty as the ocean, and so salty you can float in it? "

And do you know the answer to this one? "Many a true word is spoken in ..."

88% knows the answer to this question: "Ricotta, halloumi and mascarpone are types of what? "

And do you know the answer to this one? "Who starred in "The Fresh Prince of Bel Air"? "

31% knows the answer to this question: "Thor is the Norse god of what? "

And do you know the answer to this one? "How many ovaries does the average woman have?"

50% knows the answer to this question: "How long would it take to drive 450 miles if you are driving at a speed of 50 miles per hour? "

And do you know the answer to this one? "How many eggs would you need to give 4 to each of 17 friends?"

32% knows the answer to this question: "The name of which sea translates to Middle Land? "

And do you know the answer to this one? "What is the most well known product of the Champagne region?"

78% knows the answer to this question: "Wolfgang Amadeus Mozart is known for being which one of the following? "

And do you know the answer to this one? "What nationality was the 18th century philanthropist John Howard?"

50% knows the answer to this question: "What was the name of the dentist, gambler and gunfighter who assisted Wyatt Earp in the gunfight at the O.K. Corral? "

And do you know the answer to this one? "Ancient Sumerians who learned to write were known as what?"

80% knows the answer to this question: "What inventor of the corn flake was also celibate, which is especially weird when you consider that he was married? "

And do you know the answer to this one? "Who became the leader of North Korea after his father died on 17 December 2011?"

49% knows the answer to this question: "Hong Kong was returned to which country by the British in 1997? "

And do you know the answer to this one? "The guards at the Tower of London are known by which nickname?"

54% knows the answer to this question: "Houston is located in which US state? "

And do you know the answer to this one? "Approximately how long is the Mississippi river?"

57% knows the answer to this question: "What is 347 plus 97? "

And do you know the answer to this one? "Which of these dogs has a flap of wrinkly skin under its chin, called a shawl?"