Thursday, September 3, 2026
These are the 10 questions BrainRank served to the whole world on Thursday, September 3, 2026 — now over, with every answer revealed and explained. Reading time only; the score no longer counts.
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geography
The Amazon rainforest is located primarily in which country?
- Peru
- Colombia
- Brazil
- Venezuela
Answer: Brazil
The majority of the Amazon rainforest lies within Brazil.
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arts
Which painting technique uses water-based pigments applied onto wet plaster?
- Fresco
- Collage
- Etching
- Gouache
Answer: Fresco
Fresco is a technique of painting with pigments on wet plaster.
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math
What is 200 ÷ 8?
- 20
- 24
- 28
- 25
Answer: 25
200 ÷ 8 = 25.
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math
What is 15 × 4?
- 60
- 45
- 75
- 20
Answer: 60
15 × 4 = 60.
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everyday-science
Which sense is most directly linked to the nose?
- Smell
- Hearing
- Sight
- Balance
Answer: Smell
The nose detects odors, giving us the sense of smell.
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nature
Which is the largest animal known to have ever lived?
- Blue whale
- African elephant
- Whale shark
- Giant squid
Answer: Blue whale
The blue whale is the largest animal known to have existed.
-
science
At standard atmospheric pressure, at what temperature does pure water freeze?
- 32 degrees Celsius
- 0 degrees Celsius
- -10 degrees Celsius
- 100 degrees Celsius
Answer: 0 degrees Celsius
Pure water freezes at 0 degrees Celsius at standard pressure.
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everyday-science
Which gas do humans need to take in from the air to stay alive?
- Carbon dioxide
- Nitrogen
- Argon
- Oxygen
Answer: Oxygen
Humans require oxygen for cellular respiration.
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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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math
What is 6 × 7?
- 36
- 48
- 49
- 42
Answer: 42
6 × 7 = 42.