93% knows the answer to this question: "What is the top layer of the soil called? "

And do you know the answer to this one? "Which of these is not a word in the name of a band led by Canada's David Clayton-Thomas?"

92% knows the answer to this question: "As people wearing watches may know, Jacques and Pierre Curie discovered that what mineral has a property called piezoelectricity? "

And do you know the answer to this one? "What does the idiom mean to call someone a "diamond in the rough"?"

92% knows the answer to this question: "Latvia officially adopted which currency in 2014? "

And do you know the answer to this one? "What is an eighth of 96?"

0% knows the answer to this question: "Scurvy is a disease caused by the lack of which vitamin in the body? "

And do you know the answer to this one? "Which of the Osmonds had a hit with "Puppy Love"?"

96% knows the answer to this question: "Who sang the famous song "Starman" (1972) "

And do you know the answer to this one? "Who sang the famous song "Walk on By" (1964)?"

97% knows the answer to this question: "In February 1952, who went up Kenya's Treetops Hotel a princess, but came down a queen? "

And do you know the answer to this one? "What city's plague epidemic was cleared up quite nicely after a fire started on Pudding Lane, which burned pretty much the whole city down?"

95% knows the answer to this question: "Who sang the famous song "(Sittin' On) The Dock Of The Bay" (1968) ? "

And do you know the answer to this one? "Who sang the famous song "Honky Tonk Women" (1969)"

0% knows the answer to this question: "What does USSR stand for? "

And do you know the answer to this one? "Which country became the third nation to perform a space docking mission in 2012?"

95% knows the answer to this question: "Who sang the famous song "Honky Tonk Woman" (1969)? "

And do you know the answer to this one? "Who sang the famous song "I Never Loved a Man (The Way I Love You)" (1967)?"

97% knows the answer to this question: "What decade was Roaring? "

And do you know the answer to this one? "Which form of scanning was introduced in 1971?"

99% knows the answer to this question: "Who had a UK number one album in 1968 with 'Delilah'? "

And do you know the answer to this one? "Which singer was backed by The Pips?"

96% 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?"