60% knows the answer to this question: "By what name was the serial killer Albert DeSalvo, who killed 13 women between 1962 and 1964, better known? "

And do you know the answer to this one? "Which US state has Phoenix as its capital city?"

50% knows the answer to this question: "In "Hickory Dickory Dock", where did the mouse run? "

And do you know the answer to this one? "A book containing maps and charts is known as a what?"

74% knows the answer to this question: "In the 1950s, Project Washtub was a US plan to frustrate a Soviet invasion with a guerrilla army of bush pilots, trappers and assorted secret agents. Where? "

And do you know the answer to this one? "US snowboarder Jamie Anderson deleted her account on what geo-locational "dating" app, worried that all the hooking up at the Sochi Olympics was too distracting?"

61% knows the answer to this question: "Which of the following is traditional garb worn by Scottish men? "

And do you know the answer to this one? "Which animal's young is called a fawn?"

33% knows the answer to this question: "Which word rhymes with face? "

And do you know the answer to this one? "On which continent is the Hindu Kush mountain range?"

86% knows the answer to this question: "What number of the alphabet in alphabetical order is the letter "W"? "

And do you know the answer to this one? "Who was Andre Agassi married to from 1997 to 1999?"

44% knows the answer to this question: "What currency was formerly used in Germany? "

And do you know the answer to this one? "Which of these countries is the largest?"

32% knows the answer to this question: "Which of these words is also an African city? "

And do you know the answer to this one? "What word refers to "the exchange of money for goods and/or services"?"

39% knows the answer to this question: "A humpback is a variety of which animal? "

And do you know the answer to this one? "Shenzi, Banzai and Ed are three animals found in the African savanna. Which movie are they in?"

79% knows the answer to this question: "Which of these foods is a good source of calcium? "

And do you know the answer to this one? "In terms of surface area, what is the largest of the Great Lakes? "

89% knows the answer to this question: "What artist was as famous for his mental disturbance as for his art? "

And do you know the answer to this one? "The most striking element of Paul Cezanne's eye-catching paintings was his use of what?"

30% knows the answer to this question: "What color is the maple leaf at the center (or centre, as it were) of Canada's flag? "

And do you know the answer to this one? "Brian Epstein was tired of dealing with the deluge of merchandising requests, so he sold off 90% of the rights for what band to Nicky Byrne, who ran a subsidiary called Seltaeb?"