32% knows the answer to this question: "If you drive to your mom's house which is 300 miles away in 5 hours, what was your average speed? "

And do you know the answer to this one? "If muffins are in packages of six, and you want 330 muffins, how many packages do you need?"

66% knows the answer to this question: "What does the immune system use to recognise bacteria and viruses? "

And do you know the answer to this one? "Who sang the famous song "Beat It" (1983)"

90% knows the answer to this question: "Louis Armstrong is well-known for playing which instrument? "

And do you know the answer to this one? "Which band released the single '(I Can't Get No) Satisfaction'?"

51% knows the answer to this question: "What shell-like building stands beneath Sydney Harbor Bridge, Australia? "

And do you know the answer to this one? "I'm a Scottish celebrity chef who hosts "Hell's Kitchen". Who am I?"

39% knows the answer to this question: "What is energy of motion called? "

And do you know the answer to this one? "What are the tiny blood vessels that connect arteries and veins?"

36% knows the answer to this question: "Jerk chicken, fried plantains and mango ice cream are popular foods of what country's cuisine? "

And do you know the answer to this one? "Which U.S. state was named for William Penn?"

34% knows the answer to this question: "Who was a founding father of the Republic of China? "

And do you know the answer to this one? "What are the indigenous people of Australia called?"

87% knows the answer to this question: "What happened in Tiananmen Square in 1989? "

And do you know the answer to this one? "What was the name of the period of dust storms that affected America in the 1930s?"

48% knows the answer to this question: "What was 'in the window' in the title of a 1950s hit by Pattie Page and Liza Roza? "

And do you know the answer to this one? "Phil Collins was chosen to be a drummer for which British rock band in 1970?"

53% knows the answer to this question: "What are materials that come from the earth called? "

And do you know the answer to this one? "What is the condition where lack of blood supply kills off tissue?"

81% knows the answer to this question: "What country borders Canada and Mexico? "

And do you know the answer to this one? "Which of these characteristics allows an owl to see well at night?"

91% knows the answer to this question: "Multiples of which number are always even? "

And do you know the answer to this one? "What duo made the international 1970s hit 'Bridge Over Troubled Water'?"