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Question 1 of 10

Chatoyancy is an optical reflectance found in particular in chrysoberyl, aquamarine, tourmaline, apatite and scapolite. What is the more common name for it?

Question 2 of 10

The aptly named Marian Moon was born just a month before the Wright brothers flew at Kitty Hawk. And her son was the second man on the moon. Who was he?

Question 3 of 10

What organic gemstone is, technically, a kind of coal?

Question 4 of 10

What American bovine can detect odors up to a mile away and, when mating, makes rutting sounds you can hear up to three miles away?

Question 5 of 10

The Galilean moons, as discovered by Galileo in 1609, orbit which planet?

Question 6 of 10

The anterior cingulate cortex goes to work when you see something weird. The dorsolateral prefrontal cortex is your memory's delete button. And they tend to off together, explaining the brain's ability to avoid what nuisance?

Question 7 of 10

Given its shape, what is the "edible" nickname for the TiVo remote?

Question 8 of 10

As a physical science, what does optics study?

Question 9 of 10

A dislocated shoulder is no laughing matter, as what bone gets separated from the scapula at the glenohumeral joint?

Question 10 of 10

The largest order of vertebrates are the Perciformes, who make up 40% of what animal?

Who Sang Quizzes

Who Sang These Songs?

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Average Score: 7

37% knows the answer to this question: "Which British Invasion band thrilled audiences with "I Saw Her Standing There" (1963)? "
Play Quiz

Who Sang These Songs?

Average Score: 8

43% knows the answer to this question: "Who had a hit with “Manic Monday” in 1986? "
You Know The Songs...

but who sings it? Let us know how many you knew!

Average Score: 7

81% knows the answer to this question: "Who sang the song, "Build Me Up Buttercup" (1968)? "
You Know The Songs.....

but do you know the voice? What did you score?

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90% knows the answer to this question: "Who sang the song, "The Twist" (1960)? "
Music Quiz For Music Geniuses

Who Sang These Songs?

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99% knows the answer to this question: "Which jazz-pop vocalist popularized "Fever" (1958)? "
Who Sang These Hits From 1979?

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29% knows the answer to this question: "Who sang the song, "Don't Stop 'Til You Get Enough" (1979)? "

General Knowledge Quizzes

Challenging Trivia Quiz

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43% knows the answer to this question: " "
Unbeatable Knowledge Quiz

What did you score?

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33% knows the answer to this question: " "
Mixed Knowledge Quiz

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87% knows the answer to this question: " "
Knowledge Quiz: Sudden Death Edition

Will you fail before question 10?

Average Score: 0

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Unbeatable Mixed Trivia Quiz

Can you please beat his score?

Average Score: 6

99% knows the answer to this question: " "
Do you have the intelligence to defeat him?

General Knowledge Quiz

Average Score: 5

26% knows the answer to this question: " "

Math Quizzes

Math Quiz

Can you solve this?

Average Score: 7

45% knows the answer to this question: "789+530+271 equals what number? "
Mathematics Quiz

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Average Score: 7

89% knows the answer to this question: "Cans of soup are 45p. If I buy 3 cans on a 3 for 2 offer, what is the real price per can? "
Math Quiz Time!

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Average Score: 9

75% knows the answer to this question: "If you are 29 years old. How old will you be in 21 years time? "
No one can score a 7 or better

Math Test

Average Score: 9

32% knows the answer to this question: "Which is the largest number? "
Math Quiz

Only those who are good with numbers stand a chance!

Average Score: 8

22% knows the answer to this question: "What is 10% of 1,000? "
Test Your Math Knowledge

Absolutely nobody scores a solid 10

Average Score: 9

85% knows the answer to this question: "What number when added to 1661, gives 2723? "