Monday, September 14, 2026
These are the 10 questions BrainRank served to the whole world on Monday, September 14, 2026 — now over, with every answer revealed and explained. Reading time only; the score no longer counts.
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arts
How many musicians perform in a string quartet?
- 2
- 3
- 4
- 5
Answer: 4
A string quartet consists of four musicians.
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nature
Which body part do fish use to breathe underwater?
- Lungs
- Gills
- Fins
- Scales
Answer: Gills
Fish extract oxygen from water using their gills.
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science
Which chemical symbol represents the element helium?
- Hl
- Hm
- Ho
- He
Answer: He
He is the chemical symbol for helium.
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math
What is 144 ÷ 12?
- 11
- 14
- 24
- 12
Answer: 12
144 ÷ 12 = 12.
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everyday-science
What is mainly needed for iron to rust?
- Oxygen and water
- Salt and sunlight
- Heat alone
- Carbon dioxide
Answer: Oxygen and water
Rust forms when iron reacts with oxygen in the presence of water or moisture.
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geography
The Rocky Mountains are located on which continent?
- North America
- South America
- Europe
- Asia
Answer: North America
The Rocky Mountains run through western North America.
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mythology
Which Roman goddess corresponds to the Greek goddess Aphrodite?
- Juno
- Venus
- Minerva
- Diana
Answer: Venus
Venus is the Roman equivalent of the Greek goddess Aphrodite.
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mythology
In Greek mythology, who stole fire from the gods and gave it to humankind?
- Tantalus
- Prometheus
- Sisyphus
- Icarus
Answer: Prometheus
Prometheus stole fire for humanity and was punished for it by Zeus.
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geography
Which sea lies between Italy and the Balkan Peninsula?
- Adriatic Sea
- Aegean Sea
- Tyrrhenian Sea
- Ionian Sea
Answer: Adriatic Sea
The Adriatic Sea separates the Italian and Balkan peninsulas.
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arts
Which color is created by mixing blue and yellow paint?
- Green
- Purple
- Orange
- Brown
Answer: Green
Mixing blue and yellow pigment produces green.