39% knows the answer to this question: "Which country has the maple leaf on its national flag? "

And do you know the answer to this one? "Which gas do animals need to survive?"

88% knows the answer to this question: "Which language has the most native speakers worldwide? "

And do you know the answer to this one? "Which country gave the U.S. the Statue of Liberty?"

61% knows the answer to this question: "What is the world's longest mountain range above sea level? "

And do you know the answer to this one? "What year did the Titanic sink?"

86% knows the answer to this question: "Which company developed the first commercial jet airliner? "

And do you know the answer to this one? "What is the capital of the Canadian province Saskatchewan?"

60% knows the answer to this question: "Who sang "Love Is in the Air" (1977)? "

And do you know the answer to this one? "Who sang "Yes Sir, I Can Boogie" (1977)?"

71% knows the answer to this question: "Who sang "Take On Me" (1985)? "

And do you know the answer to this one? "Who sang "Tainted Love" (1981)?"

53% knows the answer to this question: "Who sang "Smoke on the Water" (1972)? "

And do you know the answer to this one? "Who sang "Born to Run" (1975)?"

47% knows the answer to this question: "Who sang "Le Freak" (1978)? "

And do you know the answer to this one? "Who sang "My Sharona" (1979)?"

33% knows the answer to this question: "Who sang "Let’s Stay Together" (1972)? "

And do you know the answer to this one? "Who sang "Rhinestone Cowboy" (1975)?"

70% knows the answer to this question: "What is the hardest natural substance on Earth? "

And do you know the answer to this one? "How many continents are there?"

67% knows the answer to this question: "What is the chemical symbol for gold? "

And do you know the answer to this one? "Which planet is known as the Red Planet?"

95% knows the answer to this question: "Which country has the most time zones? "

And do you know the answer to this one? "What is the capital of Nigeria?"