Saturday, September 5, 2026
These are the 10 questions BrainRank served to the whole world on Saturday, September 5, 2026 — now over, with every answer revealed and explained. Reading time only; the score no longer counts.
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science
What is the SI unit of electric current?
- Ampere
- Volt
- Ohm
- Watt
Answer: Ampere
The ampere (A) is the SI base unit of electric current.
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math
What is 0.5 × 60?
- 25
- 30
- 35
- 12
Answer: 30
0.5 × 60 = 30.
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math
What is one quarter of 100?
- 25
- 20
- 40
- 50
Answer: 25
100 ÷ 4 = 25.
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arts
Which drawing medium is made of compressed powdered pigment and is known for soft, blendable strokes?
- Pastel
- Ballpoint pen
- Ink
- Marker
Answer: Pastel
Pastels are sticks of powdered pigment and binder known for soft, blendable color.
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arts
What is the term for a sculpture in which forms project from a flat background rather than standing free?
- Bust
- Relief
- Mosaic
- Fresco
Answer: Relief
A relief is a sculptural technique where forms project from a supporting flat background.
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mythology
In Norse mythology, what is the name of the burning rainbow bridge between the realm of the gods and the world of humans?
- Bifrost
- Jotunheim
- Niflheim
- Vanaheim
Answer: Bifrost
Bifrost is the rainbow bridge connecting Asgard, home of the gods, to Midgard.
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history
Early wheeled vehicles for transport are associated with which broad ancient region?
- North America
- Sub-Saharan Africa
- Australia
- Mesopotamia
Answer: Mesopotamia
Early wheeled vehicles are associated with Mesopotamia and the ancient Near East.
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math
How many degrees are in a full circle?
- 180
- 270
- 360
- 90
Answer: 360
A full circle measures 360 degrees.
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nature
A caterpillar transforms during metamorphosis into which of these?
- Beetle
- Dragonfly
- Grasshopper
- Butterfly
Answer: Butterfly
A caterpillar is the larval stage of a butterfly (or moth).
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language
What is the plural of the noun 'analysis'?
- Analysises
- Analysi
- Analyses
- Analysic
Answer: Analyses
'Analysis' takes the Greek-derived plural 'analyses'.