What has to be broken before you can use it?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

What four weights can be used to balance from 1 to 30 pounds?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

What time is it when an elephant sits on a fence?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What two things can you never eat for breakfast?

I have teeth but i don't bite. Who Am I ?