Monday, August 17, 2026
These are the 10 questions BrainRank served to the whole world on Monday, August 17, 2026 — now over, with every answer revealed and explained. Reading time only; the score no longer counts.
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history
The Industrial Revolution began in which country during the 18th century?
- Germany
- United States
- Britain
- Russia
Answer: Britain
The Industrial Revolution began in Britain in the mid-to-late 18th century.
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arts
What is the complementary color of red on a standard artist's color wheel?
- Blue
- Green
- Orange
- Yellow
Answer: Green
On a traditional color wheel, green sits opposite red and is its complement.
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geography
The Danube River flows into which sea?
- Black Sea
- Baltic Sea
- North Sea
- Caspian Sea
Answer: Black Sea
The Danube empties into the Black Sea via its delta in Romania.
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history
Which ancient civilization is known for the Hanging Gardens, one of the Seven Wonders of the ancient world?
- Egypt
- Greece
- Persia
- Babylon
Answer: Babylon
The Hanging Gardens are traditionally associated with the ancient city of Babylon.
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math
What is 25% of 80?
- 16
- 20
- 18
- 25
Answer: 20
25% of 80 = 0.25 × 80 = 20.
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geography
Which is the largest ocean on Earth by surface area?
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
- Arctic Ocean
Answer: Pacific Ocean
The Pacific Ocean is the largest and deepest ocean.
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science
Which state of matter has both a fixed shape and a fixed volume?
- Solid
- Liquid
- Gas
- Plasma
Answer: Solid
A solid holds a fixed shape and volume; liquids and gases do not keep a fixed shape.
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math
What is 100 − 37?
- 67
- 73
- 53
- 63
Answer: 63
100 − 37 = 63.
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nature
Which reptile has no legs and moves by slithering?
- Snake
- Lizard
- Turtle
- Crocodile
Answer: Snake
Snakes are limbless reptiles that move by slithering.
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math
What is 7 × 8?
- 54
- 56
- 64
- 48
Answer: 56
7 × 8 = 56.