General Knowledge
Science
Mathematics
Riddles
Cryptic Clues

100

The currency used in Japan.

What is the yen?

100

The chemical symbol for potassium.

What is K?

100

The square root of 64.

What is 8?

100

The more you take, the more you leave behind—until you stop. What am I?

Your breath.

100

Timepiece for a feline (7).

What is "catclock"?

200

The author of 1984 and Animal Farm.

Who is George Orwell?

200

The process by which plants release water vapor.

What is transpiration?

200

The value of  to two decimal places.

What is 3.14?

200

 I’m tall when I’m young and short when I’m old. What am I?

A candle.

200

Sounds like a letter in a rush (5).

What is "haste"? 

300

The largest island in the world.

What is Greenland?

300

The scientist who discovered the electron.

Who is J.J. Thomson?

300

The derivative of x2

What is 2x?

300

 I have keys but no locks, space but no room, and you can enter but not go in. What am I?

A keyboard.

300

Mixed cool star seen in the dark (9).

What is "torchless"? (anagram of "cool star")

400

The organization responsible for global health emergencies.

What is the World Health Organization (WHO)?

400

 The part of the brain responsible for memory.

What is the hippocampus?

400

The name for a triangle with all sides of different lengths.

What is a scalene triangle?

400

The person who made it doesn’t need it. The person who bought it doesn’t use it. The person who uses it doesn’t know it. What is it?

A coffin.

400

 Endless rage in small container (6).

What is "jarred"?

500

 The treaty that ended World War I.

What is the Treaty of Versailles?

500

where light behaves both as a particle and a wave.

What is wave-particle duality?

500

The formula used to find the roots of a quadratic equation.

What is the quadratic formula? 

500

I am always coming, but never arrive. What am I?

The future.

500

Confused agent has top-secret access (9).

What is "clearance"?

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