Row 1
Row 2
Row 3
Row 4
Row 5
100

What has to be broken before you can use it?

An egg

100

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

The Darkness

100

David’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

David xd

100

What has many teeth, but can’t bite?

A comb

100

What would you find in the middle of Toronto?

The letter "o"

200

What is full of holes but still holds water?

A sponge 

200

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

A piano

200

What has legs, but doesn’t walk?

A table ┬──┬ ¯\_(ツ)

200

What has words, but never speaks?

A book 📚

200

What is so fragile that saying its name breaks it?

Silence
300

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

The future :o
300

What invention lets you look right through a wall?

A window

300

What goes up and down but doesn’t move?

A staircase 

300

Where does one wall meet the other wall?

A corner :)

300

The more you take, the more you leave behind. What are they?

Footsteps

400

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

A promise

400

What can’t talk but will reply when spoken to?

An echo

400

What can you catch, but not throw?

A cold

400

What building has the most stories?

The library

400

People make me, save me, change me, raise me. What am I?

You're money!

500

What gets wet while drying?

A towel

500

A man dies of old age on his 25 birthday. How is this possible?

He was born on February 29.

500

What is black when it’s clean and white when it’s dirty?

A chalkboard :)

500

What begins with an "e" and only contains one letter?

An envelope 

500

What goes through cities and fields, but never moves?

Roads :o)