56% knows the answer to this question: "What crustacean attaches itself permanently to underwater surfaces? "

And do you know the answer to this one? "Which instrument is Antonio Stradivari famous for making?"

55% knows the answer to this question: "Which US city monthly murder rate was surpassed by London, UK for the first time ever in February 2018? "

And do you know the answer to this one? "What animals were worshipped like gods by Egyptians?"

47% knows the answer to this question: "Of these cities, which is in England? "

And do you know the answer to this one? "In Barry Manilow's song "Copa Cabana" he sings about a showgirl. What is her name?"

36% knows the answer to this question: "If you damage rapidly ripening fruit, you increase the amount of ethylene it releases. Hence, as the proverb says, a bad one of what fruit really can spoil the whole barrel? "

And do you know the answer to this one? "Ros Serey Sothear was a singing superstar in what country, until she vanished in its "killing fields"?"

56% knows the answer to this question: "What kind of window protrudes from the exterior wall of a room? "

And do you know the answer to this one? "What major U.S. city was hit by an earthquake measuring 7.1 in magnitude in 1989?"

57% knows the answer to this question: "The Battle of Gettysburg took place in which conflict? "

And do you know the answer to this one? "In 1992 the "Camillagate" tapes had sensitive conversation between Camilla Parker Bowles and who?"

55% knows the answer to this question: "Which French film's 1957 U.S. release led to the popularity of the bikini? "

And do you know the answer to this one? "The first CDs were 74 minutes and 33 seconds long, because Sony president Norio Ohga insisted they be long enough to hold whose Ninth Symphony?"

81% knows the answer to this question: "Who wrote the historic novel 'War and Peace"? "

And do you know the answer to this one? "What was the most popular Mexican beer sold in the U.S. in 2005?"

39% knows the answer to this question: "Who sang the famous song Psychokiller (studio) (1977)? "

And do you know the answer to this one? "Who sang the famous song White Sun (1972)? "

55% knows the answer to this question: "Who sang the famous song Vi pløjed' og vi såed (1998)? "

And do you know the answer to this one? "Who sang the famous song "Raise Your Glass" (2010)"

64% knows the answer to this question: "What science primarily concerns the study of living organisms? "

And do you know the answer to this one? "Which of these objects has the most mass?"

78% knows the answer to this question: "What is the medical name for ringing in the ears? "

And do you know the answer to this one? "Cranberry juice is thought to be good for which type of infection?"