80% knows the answer to this question: "If you buy a pencil for 11 cents, and want to get 14 cents back, how should you pay? "

And do you know the answer to this one? "What should you leave for a tip on a $40 meal where 15% is a typical gratuity?"

94% knows the answer to this question: "What rock festival takes place in 1970 on East Afton Farm off the coast of England? "

And do you know the answer to this one? "Who assumed power as Prime Minister of Libya in 1970?"

91% knows the answer to this question: "What is 26 + 17? "

And do you know the answer to this one? "What do kilograms measure?"

31% knows the answer to this question: "If you divide $17.16 evenly among three people, how much will each person get? "

And do you know the answer to this one? "If you drive 4500 miles in 5 days, how far did you drive on average each day?"

46% knows the answer to this question: "The space on the football field where a touchdown is scored is called what? "

And do you know the answer to this one? "Which of these cities is the Hoover Dam located nearest to?"

38% knows the answer to this question: "What country touches the Indian Ocean, the Arabian Sea and the Bay of Bengal? "

And do you know the answer to this one? "What colors are on the German flag?"

47% knows the answer to this question: "When did the British military first introduce a flying corps? "

And do you know the answer to this one? "Who was Emperor of Japan that died in 1989?"

39% knows the answer to this question: "Vatican City, where the Pope resides, is a city-state entirely contained within what country? "

And do you know the answer to this one? "How fast do you need to travel to go 150 miles in 3 hours?"

50% knows the answer to this question: "Which airline is this? "

And do you know the answer to this one? "Which airline is this?"

35% knows the answer to this question: "Who was voted Man of the Year by TIME magazine in both 1940 and in 1949? "

And do you know the answer to this one? "Spanish conquistador Francisco Pizarro declared what city the capital of Peru in 1535?"

83% knows the answer to this question: "Havana is the capital of what country? "

And do you know the answer to this one? "Before changing to Euros, what currency was used in Germany?"

68% knows the answer to this question: "Which of the following is a well-known Japanese condiment? "

And do you know the answer to this one? "Who issues severe weather advisories in the U.S.?"