47% knows the answer to this question: "Deficiency of which mineral causes anaemia? "

And do you know the answer to this one? "What is the process of removing dead skin cells from the body called?"

65% knows the answer to this question: "What is 123 times 4? "

And do you know the answer to this one? "There are 78 black cars, 54 white cars and 23 silver cars in the car park. How many are there in total?"

37% knows the answer to this question: "If I want my fajita to be full of that tasty green stuff made from mashed avocado, what should I ask for? "

And do you know the answer to this one? "Which of these sports teams is not based in Florida?"

72% knows the answer to this question: "What legendary creature in Chinese mythology and folklore is typically associated with the emperor? "

And do you know the answer to this one? "What causes the moon to shine?"

71% knows the answer to this question: "How many holes on a golf course? "

And do you know the answer to this one? "What does "U.S.'s busiest national park, drawing some ten million visitors a year" best describe?"

66% knows the answer to this question: "Angelina Jolie filed for divorce from which actor in 2016? "

And do you know the answer to this one? "What colorfully named sea lies to the east of Egypt?"

38% knows the answer to this question: "Who sang the famous song "Don’t It Make My Brown Eyes Blue" (1978)? "

And do you know the answer to this one? "Who sang the famous song "Somewhere In The Night" (1979)?"

88% knows the answer to this question: "Which of these chemicals removes odors from refrigerators? "

And do you know the answer to this one? "Which of the following months has 31 days?"

86% knows the answer to this question: "What type of animal is a porcupine classified as? "

And do you know the answer to this one? "What is the word for the money you earn by leaving cash in the bank?"

83% knows the answer to this question: "Bass is a type of what? "

And do you know the answer to this one? "The alligator can be found in the swamps of which US state?"

50% knows the answer to this question: "The Broadway musical "Mamma Mia" is based around whose pop songs? "

And do you know the answer to this one? "Peter Gabriel and Phil Collins were both, at different times, lead singers for which band?"

91% knows the answer to this question: "Under what name did the world come to know Berlin-born Maria Magdalene Dietrich Von Losch? "

And do you know the answer to this one? "Originally, Eric Stolz played Marty McFly in what movie, until a bigger star's schedule cleared up after filming began?"