Wednesday, August 26, 2026

These are the 10 questions BrainRank served to the whole world on Wednesday, August 26, 2026 — now over, with every answer revealed and explained. Reading time only; the score no longer counts.

1. math

   How many sides does a triangle have?

   • 3
   • 4
   • 5
   • 6

   Answer: 3

   A triangle has 3 sides.

2. math

   What is 1/2 + 1/4?

   • 3/4
   • 1/4
   • 2/6
   • 1

   Answer: 3/4

   1/2 = 2/4, so 2/4 + 1/4 = 3/4.

3. 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.

4. arts

   In music and dance, what does the term 'rhythm' refer to?

   • The pattern of sounds and beats in time
   • The highness or lowness of a sound
   • The color of a tone
   • The volume of a sound

   Answer: The pattern of sounds and beats in time

   Rhythm is the pattern of sounds, beats, and silences arranged in time.

5. math

   What is half of 150?

   • 75
   • 70
   • 80
   • 85

   Answer: 75

   150 ÷ 2 = 75.

6. geography

   Which mountain is the highest peak above sea level on Earth?

   • K2
   • Kangchenjunga
   • Mount Everest
   • Lhotse

   Answer: Mount Everest

   Mount Everest is the highest peak above sea level at about 8,849 m.

7. arts

   What is the term for a group of singers performing together?

   • Ensemble
   • Choir
   • Quartet
   • Orchestra

   Answer: Choir

   A choir is a group of singers performing together.

8. arts

   Which term describes the art of beautiful, decorative handwriting?

   • Typography
   • Calligraphy
   • Lithography
   • Cartography

   Answer: Calligraphy

   Calligraphy is the art of decorative or beautiful handwriting.

9. geography

   The Sahara Desert is bordered to the north by which sea?

   • Red Sea
   • Mediterranean Sea
   • Black Sea
   • Caspian Sea

   Answer: Mediterranean Sea

   The Sahara's northern edge meets the Mediterranean Sea along North Africa.

10. science

    What is the dense central part of an atom called?

    • The nucleus
    • The electron
    • The shell
    • The orbit

    Answer: The nucleus

    An atom's protons and neutrons are located in its central nucleus.