54% knows the answer to this question: "Which of these is a huge animal from Africa or Asia that has one or two horn-like spikes? "

And do you know the answer to this one? "What is the head of the U.S. Supreme Court called?"

51% knows the answer to this question: "What was the first name of author Christie, who died in 1976? "

And do you know the answer to this one? "What is a common unit of depth in the ocean?"

40% knows the answer to this question: "The Cape Colony's chief gemologist said that Schalk van Niekerk's diamond was just a pebble. Where was he? "

And do you know the answer to this one? "Before he was overthrown, Juan Peron planned to inter what wife of his in a monument larger than the Statue of Liberty, depicting a descamisado peasant?"

66% knows the answer to this question: "Which of these UK cities is closest to Big Ben? "

And do you know the answer to this one? "Often made from apples, the name of what pastry literally mean "whirlpool" in German?"

39% knows the answer to this question: "What is the name of the protein found in wheat flour? "

And do you know the answer to this one? "Which type of owl is most commonly found in Alaska and other Arctic regions?"

95% knows the answer to this question: "Algebra is a branch of what field of study? "

And do you know the answer to this one? "Which is the app that calls you a cab with just a few taps?"

69% knows the answer to this question: "Which movie's plot is about Anakin Skywalker concluding his journey towards the Dark Side of the Force? "

And do you know the answer to this one? "Who starred in "10" and "Arthur"?"

47% knows the answer to this question: "What does your body use to get rid of salt? "

And do you know the answer to this one? "What is on your tongue that allows you to taste the differences in different foods?"

31% knows the answer to this question: "What war tactic or way of fighting was commonly used on the Western Front in the First World War? "

And do you know the answer to this one? "Which pair of animal species and type is correct?"

86% knows the answer to this question: "By what name is a membrane infection called conjunctivitis better known? "

And do you know the answer to this one? "Which of these is NOT a city in Europe?"

89% knows the answer to this question: "What is the correct spelling of this country? "

And do you know the answer to this one? "You can make a salad from this lawn weed's greens and wash it down with a wine made from its yellow flowers. What?"

48% knows the answer to this question: "Into which lifeless sea does the River Jordan flow? "

And do you know the answer to this one? "What is the richest city in the UK?"