43% knows the answer to this question: "Which of the following is used as a rating scale to grade gasoline? "

And do you know the answer to this one? "The creation of our universe is said to have started with which theory?"

81% knows the answer to this question: "Which 1992 hit by Whitney Houston made the Billboard Top 10 in 2012 following her tragic death? "

And do you know the answer to this one? "In 1961, construction began on which infamous wall?"

46% knows the answer to this question: "Who did a farrier make shoes for? "

And do you know the answer to this one? "Complete the name of the 1960's band Creedence Clearwater?"

85% knows the answer to this question: "A baker sells 360 brown rolls and 275 white. How many does she sell altogether? "

And do you know the answer to this one? "A hairdresser charges £28 for a cut and £54 for colour. How much does she earn for doing two cuts and a colour?"

62% knows the answer to this question: " Guacamole originates from "

And do you know the answer to this one? "Often served with steamed asparagus, what emulsion of egg yolk and butter is a key ingredient in eggs benedict?"

75% knows the answer to this question: "The medical term "valvuloplasty" is best defined as? "

And do you know the answer to this one? "Local anaesthetic is often abbreviated to which two letters?"

58% knows the answer to this question: "Which river flows by Windsor Castle? "

And do you know the answer to this one? "Corfu is a city and an island in what country?"

65% knows the answer to this question: "What branch of chemistry is concerned with the chemistry of living organisms? "

And do you know the answer to this one? "Which European city shares a chicken dish named after it?"

36% knows the answer to this question: "Self-contained underwater breathing apparatus is what? "

And do you know the answer to this one? "Who sang the famous song "‘A’ You’re Adorable" (1949)?"

69% knows the answer to this question: "One of Anna Pavlova's most well-known dances was "The Dying" what? "

And do you know the answer to this one? "Which of these is a cause of water pollution?"

41% knows the answer to this question: "The Everglades is a large area of swampland in which state? "

And do you know the answer to this one? "What kind of astronomical body is officially known as IP/Halley?"

30% knows the answer to this question: "What New York park is home the Metropolitan Museum of Art (on Fifth Avenue), its own zoo, a meteorological observatory and a former arsenal? "

And do you know the answer to this one? "Finish the country's name: Independent State of Papua _______."