World geography
Riddle Me This
Weird But True
Global Oddities
Academic Crossover
100

This river is the longest in the world.

Nile

100

What has to be broken before you can use it?

EGG

100

Bananas are technically this kind of fruit.

Berries

100

This country has two capital cities, with one functioning as the legislative capital and the other the administrative one.

South Africa

100

In economics, this paradox explains why water is cheap but diamonds are expensive.

 diamond-water paradox

200

This European city is known as the "City of Canals."

Venice

200

I speak without a mouth and hear without ears. What am I?

Echo

200

This animal can survive being frozen solid.

THE WOOD FROG

200

This island nation is home to more endemic species than any other place on Earth.

Madagascar.

200

In psychology, this effect causes people to overestimate their own competence.

Dunning-Kruger effect

300

This country is completely landlocked and borders China and Russia.

MONGOLIA

300

I have keys but no locks. I have space but no room. What am I?

Keyboard

300

This country once had a law making it illegal to own only one guinea pig.

SWITS

300

A city in this Scandinavian country builds its streets to accommodate reindeer crossings.

Sweden

300

In physics, this thought experiment involves a cat, a box, and quantum states.

Schrödinger's cat

400

The Andes mountain range runs through this 7 countries name them 

 Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.

400

A box has a note inside it that reads:
“The statement on the other side of this card is true.”
You flip it over.
“The statement on the other side of this card is false.”
Is the note telling the truth?

NO....It a paradox

400

The Eiffel Tower does this in the summer due to heat.

EXPANDS in size

400

The world’s shortest river is located in this U.S. state.

Montana

400

In linguistics, this language family includes Finnish, Estonian, and Hungarian.

Uralic language family

500

This African lake is the world's second-largest freshwater lake by volume.

Lake Tanganyika

500

A man is found hanging in a locked, windowless room.
There’s nothing in the room but a puddle of water on the floor.
How did he do it?

He stood on the block of ice

500

This body part continues to grow even after death—for a short time.

hair and nails

500

This European country still uses three official languages in government documentation.

Belgium

500

In philosophy, this “problem” questions how we can justify inductive reasoning.

the assumption that past observations predict future events