39% knows the answer to this question: "The city of Fort Worth is located in which US state? "

And do you know the answer to this one? "Which country with a total area of 51,100 square kilometers and has San Jose as its capital city?"

43% knows the answer to this question: "What is 4 times 8, add 50? "

And do you know the answer to this one? "John Lennon married an artist from which country in the late 1960s?"

75% knows the answer to this question: "What is the most flexible muscle in the body? "

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

63% knows the answer to this question: "What is the only major African river that flows north into the Mediterranean? "

And do you know the answer to this one? "Operation Desert Storm was launched after Iraq invaded which country?"

76% knows the answer to this question: "Which of these States does not fall into the Bible Belt? "

And do you know the answer to this one? "What art term is defined as "a technique involving the use of two or more artistic media"?"

56% knows the answer to this question: "What British luxury liner was sunk by a German U-boat in 1915? "

And do you know the answer to this one? "In 2013, who had to leave Mally the Monkey behind in Munich, after he illegally brought it with him to the country?"

38% knows the answer to this question: "What is 56 times 3? "

And do you know the answer to this one? "If you're bidding for wine and cheese on LeBonCoin, you'd be using what country's version of eBay?"

86% knows the answer to this question: "55x47÷47 equals what number? "

And do you know the answer to this one? "4167+2782+1397 equals what number?"

95% knows the answer to this question: "33x25÷25 equals what number? "

And do you know the answer to this one? "A boy ran 6km before school and 11km afterwards.What was the total distance travelled?"

52% knows the answer to this question: "420 people buy orange juice, but 657 more buy cola. How many cola drinkers are there? "

And do you know the answer to this one? "Islamabad is the capital of which country?"

43% knows the answer to this question: "In 1917, which two tool-and-die cutters invented the first practical power drill? "

And do you know the answer to this one? "As David St Hubbins might know, what kind of procedure are you having done if your doctor orders up a lumbar puncture?"

80% knows the answer to this question: "What juice is used to keep fruits from turning brown due to exposure to air? "

And do you know the answer to this one? "Chocolate covered in a multi-coloured crispy coating are?"