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100

What has to be broken before you can use it?

An Egg

100

What is full of holes but still holds water?

A Sponge

100

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

The future

200

What is the center of gravity?

V

200

What is the more you have, the less you see?

Darkness

200

What is yours but others use it more than you?

Your name

300

People buy me to eat, but never eat me. What am I?

 A plate / fork / spoon.

300

You can break me easily without touching me. What am I?

Promise

300

You answer me but I never ask questions. What am I?

The phone.

400

Forwards I am heavy, backward I am not. What am I?

Ton

400

What begins with an “e” and only contains one letter?

An envelope 

400

I am a word of letters three; add two and fewer there will be. What word am I?

Few

500

The day before yesterday I was 21, and next year I will be 24. When is my birthday?

December 31; today is January 1.

500

 A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

The man’s son

500

The person who makes it has no need of it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

A coffin