100% knows the answer to this question: "Of these, which was a world leader in the 80s? "

And do you know the answer to this one? "Latvia officially adopted which currency in 2014?"

100% knows the answer to this question: "What iconic car was produced by Volkswagen beginning in 1945? "

And do you know the answer to this one? "What word refers to "the exchange of money for goods and/or services"?"

100% knows the answer to this question: "Isaac Newton is known best as this? "

And do you know the answer to this one? "Who was Julius Caesar's successor as Roman Emperor?"

0% knows the answer to this question: "In India, the enormous, beautiful tomb of Shah Jahan's wife is called what? "

And do you know the answer to this one? "Which country was placed under an international oil embargo in 2012?"

100% knows the answer to this question: "On November 22, 1963, who was shot and killed while riding in a Lincoln Continental? "

And do you know the answer to this one? "Who was fired from his starring role in US sitcom Two and a Half Men in March 2011 for alcohol & drug abuse?"

100% knows the answer to this question: "Antarctica is the only continent completely covered in what? "

And do you know the answer to this one? "Who is the month of July named after?"

100% knows the answer to this question: "Outlawed from a Viking settlement in Iceland, who went on instead to settle Greenland? "

And do you know the answer to this one? "Which nation is linked with England by a 31-mile underwater rail "Chunnel" finished in 1994?"

100% knows the answer to this question: "Who did Barack Obama marry in 1992? "

And do you know the answer to this one? "What was the name of the American inventor who is regarded as the inventor of the light bulb, alongside Sir Joseph Swan?"

100% knows the answer to this question: "What city's bishop is the leader of the worldwide Catholic Church? "

And do you know the answer to this one? "In 1940, Italian forces in Libya began attacking British forces in Egypt in order to gain control of a strategically important canal. What is the name of the canal?"

100% knows the answer to this question: "In which ancient civilization would you find colosseums? "

And do you know the answer to this one? "What function did the Ancient Egyptian pyramid's perform?"

100% knows the answer to this question: "Martin Luther King Jr. was born in which country? "

And do you know the answer to this one? "Mary Isobel Catherine Bernadette O'Brien is the real full name of which singer?"

100% knows the answer to this question: "What fruity California county was created by two lawyers who took the land to settle a debt? "

And do you know the answer to this one? "Which weapon was used by Aboriginal Australians?"