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General Knowledge True False #6

Try to guess whether these random statements are true or false.
Quiz by Quizmaster
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Last updated: March 14, 2024
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First submittedMarch 14, 2024
Times taken22,252
Average score73.3%
Rating4.47
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1. "Casablanca" is a black and white movie
True
False
2. Muslims believe that Jesus was an important prophet
True
False
3. A chinchilla is a type of dog
Chinchillas are a genus of rodents native to South America
True
False
4. There are parts of the moon which were never seen by humans until modern times
True
False
5. Philately is a crime in most countries
Philately = stamp collecting
True
False
6. Humans have more muscles than bones
Humans about 650 muscles but only 206 bones
True
False
7. Parts of Brazil extend into the Eastern Hemisphere
True
False
8. If you multiply a negative number by a negative number, the answer is positive
True
False
9. In the "Legend of Zelda", Zelda is a boy
Zelda is the princess
True
False
10. Among people over the age of 100, women outnumber men
True
False
11. A typical piano has the same number of white keys and black keys
There are 36 black keys and 52 white keys
True
False
12. Gold is not actually all that rare - making up about 0.1% of the Earth's crust
Only 0.0000004% of the Earth's crust is gold
True
False
13. A priest is a layperson
True
False
14. Brad Pitt has an identical twin
True
False
15. There is a city named Toledo in Spain
True
False
15 Comments
+9
Level 83
Mar 14, 2024
"100% of test takers also scored 100%" Ok, maybe I am just a bit too early...
+3
Level 72
Mar 14, 2024
Maybe a little.
+2
Level 20
Mar 14, 2024
yeah maybe.....
+4
Level 80
Mar 14, 2024
Fun fact: if all gold currently known to exist on Earth was purified and gathered into one cube, the cube would only have a side length of about 100 metres.
+2
Level 86
Mar 14, 2024
That would still be one hell of a big cube!
+8
Level 59
Mar 20, 2024
If it was made into a ball, it would be much easyer to move.
+7
Level 63
Mar 14, 2024
"Casablanca" is a black and white movie

Me: it's not even a movie, it's a city, so false

+1
Level 63
Mar 18, 2024
RIP Casablanca the movie
+2
Level 74
Mar 14, 2024
Nice, some good questions on this one.
+4
Level 67
Mar 16, 2024
You thing more people know Toledo, Ohio than Toledo in Spain?
+1
Level 70
Apr 17, 2024
I guess that's true for US Americans, for everyone else it's vice versa (personally, I've heard first time of Toledo, Ohio many years after I've visited Toledo in Spain)
+1
Level 68
Mar 20, 2024
I only missed one, and unfortunately I scored exactly on the curve. Sad.
+1
Level 68
Apr 14, 2024
i can't believe that i read 'chinchilla' as 'chihuahua'
+1
Level 80
Oct 8, 2024
I am really shocked that 65% of people got the gold question wrong. Does anyone realize how much 0.1% of the earth's crust would be? That would literally be millions of tonnes!
+1
Level 51
May 17, 2025
The crust is on average 15/20km deep (continental crust is 35km, oceanic 7km), while its surface is about 500.000.000km², so its volume is roughly

15km* 500.000.000km2 = 7.500.000.000 km³ = 7,5×10¹⁸ m³

The density of the crust also varies (between 2,6 g/cm³ for continental crust and 3,0 g/cm³ for oceanic), but on average is 2,8 g/cm³ = 2,8 tons/m³

So the overall mass of the crust is about 2,8 tons/m³ * 7,5×10¹⁸ m³ = 2×10¹⁹ tons

0,0000004% of the crust is gold, so the mass of all the gold in earth crust is 2×10¹⁹ tons * 0,0000004% = 8×10¹⁰ tons = 80 000 000 000 tons, so roughly 80 billion tons.

“ That would literally be millions of tonnes!”

There are anyway - billions of tons of gold.

We are all here to learn, so just chill and have fun ;)