88% knows the answer to this question: "In which country is the Taj Mahal situated? "

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

38% knows the answer to this question: "What letter was used to describe second World War German submarines? "

And do you know the answer to this one? "In which country were cuckoo clocks invented?"

36% knows the answer to this question: "Who famously defeated Bobby Riggs in a televised tennis match in Texas in 1973? "

And do you know the answer to this one? "What element is common to the nicknames of William Frederick Cody and James Butler Hickok?"

71% knows the answer to this question: "Who was Adolf Hitler's ally in World War II? "

And do you know the answer to this one? "What was the title for the emperor of Russia from 1546 until 1721 but remained in common use until 1917?"

76% knows the answer to this question: "In 2014, the African National Congress was again triumphant in which country's general election? "

And do you know the answer to this one? "What country did photojournalist Dith Pran call "the killing fields" when it was run by the Khmer Rouge?"

40% knows the answer to this question: "Which of these was a famous Native American chief? "

And do you know the answer to this one? "In 1762 Catherine the Great became czarina of which country?"

56% knows the answer to this question: "What was the name of the Spanish fleet sent to invade England in 1588? "

And do you know the answer to this one? "The Israeli flag features what six-pointed shape?"

57% knows the answer to this question: "Where were the first Olympic Games held? "

And do you know the answer to this one? "James I, William Rufus (William II), Richard the Lion-Hearted and Edward II may have been gay. And all were kings of what place?"

52% knows the answer to this question: "Which Cuban president had socialist leanings which angered U.S. leaders for decades? "

And do you know the answer to this one? "The country Columbia was named for what famous explorer?"

46% knows the answer to this question: "What was the occupation of Leonardo da Vinci? "

And do you know the answer to this one? "What 1976 BBC documentary noticed how, strangely, Richard Nixon, Edward Heath, Kakuei Tanaka and Prince Bernhard of the Netherlands all fell from power in the early 70s after receiving what gift from China?"

75% knows the answer to this question: "What word refers to "the exchange of money for goods and/or services"? "

And do you know the answer to this one? "What three astronauts were on the first successful manned mission to the Moon?"

38% knows the answer to this question: "What is the name of the 1949 international agreement that regulates the treatment of those wounded in war, and the basic rights of prisoners of war? "

And do you know the answer to this one? "A Pharaoh was a ruler of which ancient land?"