Monday, August 31, 2026

These are the 10 questions BrainRank served to the whole world on Monday, August 31, 2026 — now over, with every answer revealed and explained. Reading time only; the score no longer counts.

1. everyday-science

   Which vitamin can the skin make when exposed to sunlight?

   • Vitamin C
   • Vitamin B12
   • Vitamin D
   • Vitamin K

   Answer: Vitamin D

   The skin produces vitamin D when exposed to sunlight.

2. mythology

   In Roman legend, the twins Romulus and Remus were said to have been raised by which animal?

   • A bear
   • An eagle
   • A she-wolf
   • A stag

   Answer: A she-wolf

   Roman foundation legend holds that a she-wolf suckled the abandoned twins Romulus and Remus.

3. history

   The era before written records is generally referred to as what?

   • The Renaissance
   • The Enlightenment
   • Prehistory
   • The Middle Ages

   Answer: Prehistory

   Prehistory refers to the period of human existence before written records.

4. everyday-science

   What is a common average value for normal human body temperature?

   • 30 degrees Celsius
   • 45 degrees Celsius
   • 37 degrees Celsius
   • 25 degrees Celsius

   Answer: 37 degrees Celsius

   Normal human body temperature is about 37 degrees Celsius.

5. mythology

   In Norse mythology, what name is given to the prophesied final battle in which many of the gods die?

   • Fimbulwinter
   • Ragnarok
   • Yule
   • Blot

   Answer: Ragnarok

   Ragnarok is the foretold final battle that ends the Norse world and kills many of the gods.

6. 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.

7. everyday-science

   What is it called when a gas cools and turns into a liquid, such as water droplets forming on a cold glass?

   • Condensation
   • Evaporation
   • Melting
   • Freezing

   Answer: Condensation

   Condensation is the change of a gas into a liquid as it cools.

8. geography

   Which ocean is the smallest and shallowest?

   • Arctic Ocean
   • Indian Ocean
   • Southern Ocean
   • Atlantic Ocean

   Answer: Arctic Ocean

   The Arctic Ocean is the smallest and shallowest of the world's oceans.

9. math

   What is 3/5 expressed as a percentage?

   • 60%
   • 30%
   • 50%
   • 65%

   Answer: 60%

   3 ÷ 5 = 0.6 = 60%.

10. language

    Which of these words is spelled correctly?

    • Seperate
    • Separate
    • Seperete
    • Sepparate

    Answer: Separate

    The correct spelling is 'separate'.