A
B
C
D
100

What is full of holes but still holds water?

A sponge.

100

What gets wet while drying?

A towel.

100

What starts with an "e" and end with an "e" and has one letter in it?

An envelope.

100

I'm light as a feather, but the strongest person can not hold me. What am I?

Your breath.

200

What can fill a room but takes up no space.

Light.

200

What can you hold in your left hand bu not your right?

Your right elbow.

200

What has many keys yet cannot open a single lock?

A piano.

200

What goes up and down but does not move?

A staircase.

300

The more of this is the less you can see. What is it?

Darkness.

300

I follow you all the time and copy your every move yet you can not touch me or catch me. What am I?

Your shadow.

300

Where does today come before yesterday?

A dictionary. 

300

What would you find in the Middle of Toronto?

The letter "o"

400

A man who was outside in the rain without an umbrella or hat didn't get a single hair on his head wet. Why?

He was bald.

400

What question can you never say yes to?

Are you asleep yet? 

400

You see a boat filled with people yet there is not a single person on board. How is that possible?

They are all married.

400

I can't talk but I will reply when spoken to. What am I?

An echo.

500

What goes through cities and field but never moves?

A road.

500

What is always in front of you but can not be seen?

The future.

500

What can you break, even if you never pick it up or touch it.

A promise.

500

What goes up but never comes down.

Your age.