GENERAL KNOWLEDGE
SCIENCE
MATH
Geography
RIDDLES
100

What’s the capital of Canada?

Ottawa

100

What part of the cell contains DNA?

Nucleus

100

What is the Roman numeral for 10?

X

100

This U.S. state is the only one made up entirely of islands.

What is Hawaii?

100

I have keys but no locks. What am I?

Piano

200

What language has the most native speakers in the world?

Mandarin Chinese

200

What gas do plants absorb during photosynthesis?

Carbon dioxide (CO₂)

200

What’s 15% of 200?

30

200

This Asian country’s capital city is Bangkok.
 

 What is Thailand?

200

What has a ring but no fingers?

Telephone

300

Which planet was once called the “Morning Star” and “Evening Star”?

Venus

300

What is the hardest natural substance on Earth?

Diamond

300

A triangle has angles of 35° and 75°. What’s the missing angle?

70°

300

Despite its name, this country is located entirely in the Northern Hemisphere.
 

 What is South Africa?

300

I fly without wings, I cry without eyes. What am I?

Cloud

400

What’s the only country in the world to have a flag that is not rectangular?

Nepal 🇳🇵

400

Which element has the symbol Hg?

Mercury

400

Solve for x: 3x + 7 = 22

x = 5

400

This capital city lies closer to Canada than to Los Angeles.
 

 What is Seattle?

400

The more of me there is, the less you see. What am I?

Darkness

500

What’s the rarest natural eye color in humans?

Green (or gray-green)

500

What tissue in the plant transports water from the roots to the leaves?

Xylem

500

What’s 9² × 2³?

576

500

This continent has no permanent residents, only rotating researchers.
 

What is Antarctica?

500

I have cities but no houses, forests but no trees, and water but no fish. What am I?

Map

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