Natures
Logics
Objects
Concepts
Jokes
100

What kind of room has no windows or doors, and nobody to live in?

Mushroom

100

What goes up, but never comes down?

Age

100

Which fish costs the most?

Goldfish

100

If you have it, you want to share it; if you share it, you won't have it.

Secret

100

Why did the dog sit in the shade?

Because it didn't want to be a hot dog

200

The more there is, the less you see. What is it?

Darkness

200

How many sides does a circle have?

Two – inside and outside

200

What kind of band never plays music?

Rubber band

200

What is always on its way but never arrives?

Tomorrow

200

Why did the math book look sad?

Because it had too many problems

300

What can fill a room but takes up no space?

Light

300

I am an odd number. Take away a letter and I become even.

Seven

300

What has a head and a tail but no body?

Coin

300

The more you fear it, the more you make it. What is it?

Mistake

300

Why was the computer cold?

Because it left its Windows open

400

They come out at night without being called, and are lost in the day without being stolen. What are they?

Stars
400

Turn me on my side, and I am everything. Cut me in half, and I am nothing.

8

400

What has many keys but can’t open a single lock?

Piano

400

What can be heard and controlled, but cannot be seen or touched?

Voice
400

Why did the bicycle quit its job?

Because it couldn't handle the pressure

500

What’s always on the ground but is never dirty?

Shadow

500

Forward, I am heavy; backward, I am not.

Ton

500

It starts off empty, but the more you fill it, the lighter it becomes. What is it?

Balloon

500

Poor people have it. Rich people need it. If you eat it you die. What is it?

Nothing

500

Why don't ants get sick?

Because they have tiny ant-bodies