This is a tough one! Can you handle it?

Question 1 of 10

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?

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?

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?

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?

Who Sang Quizzes

Nobody can score a 6 or better in this love song quiz

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37% knows the answer to this question: "Who sang "I Will Always Love You"? "
Who sang?

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44% knows the answer to this question: "Who sang the famous song, "Rock Around the Clock" (1954)? "
Can you tell us who sang these songs?

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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?

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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

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63% knows the answer to this question: "Which rock pioneer shook the world with “Heartbreak Hotel” (1956)? "
Who Sang?

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84% knows the answer to this question: "Who sang the song, "My Girl" (1964)? "

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Can you solve this riddle?

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Medical Quiz

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10 Mixed Questions

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Unsurpassed Intelligence Quiz

Who is able to score a perfect 10? Share below

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10 knowledge questions

Do you know what I am?

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10 Challenging Questions

Who is smart enough to score higher?

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Math Quizzes

Math Quiz

Only those who are good with numbers stand a chance!

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66% knows the answer to this question: "What is 10% of 1,000? "
Mathematics Quiz

Are you a real mastermind in mathematics?

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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?

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64% knows the answer to this question: "38x39÷38 equals what number? "
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? "
Math Quiz

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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 "