According to Nobel winner Robert Richardson, a balloon's worth of what gas would cost have cost $100 in 2010, if the market set the price?
Question 3 of 10
Strictly speaking, which of these gems is really a red sapphire?
Question 4 of 10
When the needle stops spinning on a magnetic compass, what is it pointing to?
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Question 5 of 10
What is the proper name for an extraterrestrial rock that hits the Earth?
Question 6 of 10
What Chuck Yeager do in a Bell X-1 called Glamorous Glennis, named for his wife, on October 14, 1947?
Question 7 of 10
On an overcast day, I look for polarised ultraviolet light to find the sun, use it to navigate a path to food, and then do a waggle dance to communicate its location to others. What am I?
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Question 8 of 10
If you like your rooms rather warm, francium, cesium, gallium and rubidium are all liquid elements. So are bromine and what other element?
Question 9 of 10
Some owls can see things at one-hundredth of the illumination we need, because they have more of these in their eyes. More of what?
Question 10 of 10
What is the fifth largest planet in the solar system, as well as the "third rock from the Sun"?
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Who Sang Quizzes
Who is the singer of these songs?
Please tell us if you know more than 6 songs
Average Score: 9
74% knows the answer to this question:
"Who sang the famous song "Imagine" (1971) ?
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Who Sang These Songs?
Who is able to score higher than a 6?
Average Score: 7
63% knows the answer to this question:
"Which trumpet-voiced legend warmed hearts with “What a Wonderful World” (1967)?
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Do you know the answers?
Find out by playing this quiz!
Average Score: 7
64% knows the answer to this question:
"Who sang the famous song "Living Doll" (1986)
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Are you a music expert?
Who Sang These Songs?
Average Score: 7
34% knows the answer to this question:
"Which legendary crooner made "Fly Me to the Moon" (1964) unforgettable?
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Who sang these songs from the 50s, 60s & 70s
Which decade do you love musically?
Average Score: 9
65% knows the answer to this question:
"Who sang the song, "Jailhouse Rock" (1957)?
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Who sang these songs?
Question 5 is impossible
Average Score: 8
88% knows the answer to this question:
"Who sang the famous song Yesterday (1965)?
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General Knowledge Quizzes
Brain-Teasing Trivia Questions
We wonder what you will score
Average Score: 5
63% knows the answer to this question:
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General Knowledge Quiz
And..? Did you know it all?
Average Score: 5
50% knows the answer to this question:
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Trivia Quiz with a Mix of Questions
No one is able to score higher than a 6
Average Score: 8
53% knows the answer to this question:
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Tough General Knowledge Quiz
We hope this one isn't a struggle for you
Average Score: 5
78% knows the answer to this question:
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His score is unbeatable by anyone!
Impossible Knowledge Quiz
Average Score: 8
83% knows the answer to this question:
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Sudden Death
Only a genius will make it all the way to question 10
Average Score: 7
33% knows the answer to this question:
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Math Quizzes
Math Quiz
We hope you're smart enough for these questions
Average Score: 8
62% knows the answer to this question:
"If you eat 23 sweets from a tub that contains 687 how many sweets do you have left?
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Math Quiz
Can You Solve It Without a Calculator?
Average Score: 7
33% knows the answer to this question:
"38x39÷38 equals what number?
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Math Quiz
Only those who are good with numbers stand a chance!
Average Score: 10
49% knows the answer to this question:
"Which number is most commonly considered unlucky?
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Mathematics Quiz
Nobody is able to score a perfect 10
Average Score: 8
82% knows the answer to this question:
"What is double 26?
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Math Quiz
Only those who are good with numbers stand a change!
Average Score: 8
97% knows the answer to this question:
"What is the total of 25 + 53 + 32?
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Math Quiz
Only those who are good with numbers stand a change!
Average Score: 8
33% knows the answer to this question:
"How many feet long is a 100-yard football field?
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Extremely hard mixed knowledge quiz, how many did you answer correctly?
General knowledge quiz
We bet you don't know a thing about who invented these things!