How many interlocking rings make up the Olympic symbol?
Answer5
The five rings represent the union of the five inhabited continents and athletes meeting at the Games.
Society · Facts & stats
Unity facts & stats
7 fact-checked facts about unity and teamwork, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
In mathematics, the word "unity" is another name for which number?
Answer1
Mathematicians call the number one "unity", as in the roots of unity.
Going deeper
A lichen is a partnership between a fungus and what?
AnswerAn alga or cyanobacterium
In a lichen the fungus gives shelter while algae or cyanobacteria make food by photosynthesis.
What is a main benefit for geese flying in a V formation?
AnswerThey save energy using air flow from the bird ahead
Each goose rides the rising air behind the bird in front, so the flock uses less energy.
How do emperor penguins survive fierce Antarctic winter storms?
AnswerThey huddle together in large groups
Emperor penguins pack tightly and take turns on the cold outer edge of the huddle.
Expert level
How many cube roots of unity are there among the complex numbers?
Answer3
The equation z³ = 1 has three solutions: 1 and two complex numbers.
What is the official motto of the European Union?
AnswerUnited in diversity
The EU motto, in Latin "In varietate concordia", is "United in diversity".
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