German wholesaler Ludwig Roselius figured out a way to remove what chemical from coffee, when he tested a coffee bean shipment drowned in salt water?
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Question 2 of 10
How many US states begin with letter E?
Question 3 of 10
Which of these is not a number, but is a type of formal ball?
Question 4 of 10
Brought to Massachusetts in 1868 to breed disease-resistant silkworms, what "wandering" moth got loose and has been eating North America's trees ever since?
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Question 5 of 10
Which book was written by Charles Schulz?
Question 6 of 10
The M25 that surrounds London was opened in which year?
Question 7 of 10
In Cuba, what event is called the October Crisis, because it happened in October 1962?
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Question 8 of 10
What European seems to have worked for Kublai Khan, maybe as a governor or a salt official, in Yangzhou from 1282-87?
Question 9 of 10
Who sang 'Danger Zone' on the soundtrack to the 1980's blockbuster 'Top Gun'?
Question 10 of 10
What deeply religious reality show supremo married Roma Downey from Touched By An Angel, and together produced a mini-series about the Bible for the History Channel?
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Who Sang Quizzes
Nobody can score a 6 or better in this love song quiz
Average Score: 7
37% knows the answer to this question:
"Who sang "I Will Always Love You"?
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Who sang?
What did you score?
Average Score: 9
44% knows the answer to this question:
"Who sang the famous song, "Rock Around the Clock" (1954)?
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Can you tell us who sang these songs?
Good luck playing!
Average Score: 9
96% knows the answer to this question:
"Who sang the famous song "I Heard It Through The Grapevine" (1969)
"
Who Sang These 50s to 80s Hits?
From Classic Milkshakes to Neon Breaks, Can You Name All Artists?
Average Score: 9
71% knows the answer to this question:
"Who sang the famous song, "Blueberry Hill" (1956)?
"
Who Performed This Hit?
Let us know your score below
Average Score: 7
63% knows the answer to this question:
"Which rock pioneer shook the world with “Heartbreak Hotel” (1956)?
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Who Sang?
Good luck scoring a 6 or higher
Average Score: 7
84% knows the answer to this question:
"Who sang the song, "My Girl" (1964)?
"
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General Knowledge Quizzes
Can you solve this riddle?
Challenging Trivia Quiz
Average Score: 6
55% knows the answer to this question:
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Medical Quiz
We bet you can't score higher than a 6!
Average Score: 9
23% knows the answer to this question:
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10 Mixed Questions
Let us know your 10/10 below
Average Score: 6
81% knows the answer to this question:
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Unsurpassed Intelligence Quiz
Who is able to score a perfect 10? Share below
Average Score: 7
55% knows the answer to this question:
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10 knowledge questions
Do you know what I am?
Average Score: 8
29% knows the answer to this question:
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10 Challenging Questions
Who is smart enough to score higher?
Average Score: 6
44% knows the answer to this question:
"
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Math Quizzes
Math Quiz
Only those who are good with numbers stand a chance!
Average Score: 8
66% knows the answer to this question:
"What is 10% of 1,000?
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Mathematics Quiz
Are you a real mastermind in mathematics?
Average Score: 7
51% knows the answer to this question:
"It was 13 degrees this morning and the temperature dropped 12 degrees, what is the temperature now?
"
Math Quiz
Can You Solve It Without a Calculator?
Average Score: 7
64% knows the answer to this question:
"38x39÷38 equals what number?
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Nobody will score higher than a 4
Because nobody is as smart as Einstein!
Average Score: 6
63% knows the answer to this question:
"What is a polynomial with two terms called?
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Math Quiz
We challenge you to score an 8+
Average Score: 9
38% knows the answer to this question:
"What is twenty times twenty?
"
10 Math Questions
For you to solve
Average Score: 7
37% knows the answer to this question:
"Find the Highest Common Factor of these numbers - 38 and 57
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Movies Quiz
Extremely Hard History Quiz, most people score only 3 out of 10.