36% knows the answer to this question: "What was Princess Diana the Princess of? "

And do you know the answer to this one? "Who was the Annie in Irving Berlin's musical comedy "Annie Get Your Gun"?"

92% knows the answer to this question: "Stunt cycle toys featuring which rider were popular in the 70s? "

And do you know the answer to this one? "What was the name of the surgery game which required a steady hand?"

91% knows the answer to this question: "Manfred von Richthofen, considered the top ace of World War I, is better known by what nickname? "

And do you know the answer to this one? "What song hit #1 in 1960 by Roy Orbison?"

68% knows the answer to this question: "The 'V & A' refers to which London museum? "

And do you know the answer to this one? "Which is an app that you use shot motion to shoot baskets from your iPhone?"

85% knows the answer to this question: "What is the missing word: Fight fire with ... "

And do you know the answer to this one? "What is the missing word: ... impressions are the most lasting"

37% knows the answer to this question: "Where would you find your Achilles tendon? "

And do you know the answer to this one? "What city is called Venezia by the locals?"

34% knows the answer to this question: "What was the name of the Soviet Union's infamous national security agency between 1954 and 1991? "

And do you know the answer to this one? "In 1924, what was then Petrograd was renamed Leningrad. What is that city called today?"

42% knows the answer to this question: "What condition is characterised by an imbalance of salts or chemicals in the blood? "

And do you know the answer to this one? "What medical term refers to increased fluid?"

95% knows the answer to this question: "In which of these countries would you find aborigines? "

And do you know the answer to this one? "What is embedded in reinforced concrete to increase its tensile strength?"

30% knows the answer to this question: "What vegetable comes in both hot and non-hot varieties? "

And do you know the answer to this one? "Germany shares a border with which of these countries?"

90% knows the answer to this question: "Xi'an, founded around 1100 BC, is in which modern country? "

And do you know the answer to this one? "Which Canadian city was formerly known as Mont-Royal and Ville-Marie?"

50% knows the answer to this question: "Which historical figure is Santa Claus based on? "

And do you know the answer to this one? "What country, slightly less than three times the size of Texas, uses the peso as its currency?"