38% knows the answer to this question: "What is the main greenhouse gas? "

And do you know the answer to this one? "What country's flag is called the Union Jack?"

87% knows the answer to this question: "In the Catholic Church, the Pope also holds the title of the Bishop of which city? "

And do you know the answer to this one? "Scandinavia is located in which continent?"

90% knows the answer to this question: "What coin has the same value as 50 cents? "

And do you know the answer to this one? "Who sang the famous song "Blueberry Hill" (1956)?"

81% knows the answer to this question: "Who in 1932 developed flying clothes for the Ninety-Nines that were advertised in Vogue? "

And do you know the answer to this one? "The Paris-Dakar rally originally ended in Dakar, which is the capital of where?"

35% knows the answer to this question: "Paul Simon sang about how many ways to leave a lover in 1976? "

And do you know the answer to this one? "On a dark desert highway is the first line of which 70s song?"

73% knows the answer to this question: "What is a state of lawlessness and disorder? "

And do you know the answer to this one? "In 2007, which company bought a $240 million stake in Facebook?"

90% knows the answer to this question: "Which is the main substance used to make a crayon? "

And do you know the answer to this one? "Who orchestrated the brutal murder of Sharon Tate?"

41% knows the answer to this question: "The point of the greater than symbol points in which direction? "

And do you know the answer to this one? "Who sang the famous song Why (1986)? "

78% knows the answer to this question: "If you don't believe in genetics, there is a story that the Manx cat lacks what body part, because the hatch to Noah's Ark slammed down on it? "

And do you know the answer to this one? "Which actor was the first African-American to win an Academy Award?"

91% knows the answer to this question: "Who sang the famous song "Under Pressure" (1981) ? "

And do you know the answer to this one? "Who sang the famous song "Ticket To Ride" (1965)? "

83% knows the answer to this question: "Deficiency of which mineral causes anaemia? "

And do you know the answer to this one? "What is the process of removing dead skin cells from the body called?"

76% knows the answer to this question: "What do we call the person who cuts meat for eating? "

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