32% knows the answer to this question: "The D-Day invasions took place in which part of France? "

And do you know the answer to this one? "What is the official language of France?"

72% knows the answer to this question: "A severe outbreak of which disease began in West Africa in 2014? "

And do you know the answer to this one? "Napoleon was the leader of which country?"

53% knows the answer to this question: "I Walk the Line' is what male singer-songwriter's breakthrough song? "

And do you know the answer to this one? "In what city did Princess Diana die?"

35% knows the answer to this question: "In 2014, 14 people died in a volcanic eruption in what Asian country? "

And do you know the answer to this one? "Malcolm Little was better known under which name in the 1960s?"

48% knows the answer to this question: "To err is human, to ... divine "

And do you know the answer to this one? "Princess Grace of Monaco had a successful career before she become a princess. What was she?"

91% knows the answer to this question: "Who is Tony Blair? "

And do you know the answer to this one? "Find the next number (rounded off) in the following sequence: 48.00, 24.00, 12.00, 6.00..."

31% knows the answer to this question: "Which of these farm animals comes from the Andes mountains? "

And do you know the answer to this one? "Who ruled the Soviet Union for more than two decades, instituting a reign of terror while modernizing Russia?"

37% knows the answer to this question: "Which vegetable is not a head? "

And do you know the answer to this one? "What city is home to a temple remnant called the Western Wall, also known as the Wailing Wall?"

95% knows the answer to this question: "What does MTV stand for? "

And do you know the answer to this one? "What is the pulling force that the Earth exerts on every object near it?"

50% knows the answer to this question: "A reflex angle has more than how many degrees? "

And do you know the answer to this one? "Which of these is a climatic zone in Colombia?"

40% knows the answer to this question: "What are the holes on top of a whale's head called? "

And do you know the answer to this one? "What 118-mile canal cuts more than 5000 miles out of a ship's trip from Britain to India?"

85% 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?"