Why is 6 afraid of 7?

Can you make a six-letter word using the letters N, A and B ?

What does the below rebus riddle means?

Move three sticks of the spiral below to form a square.

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

I always drive my customer away.

Who am I?

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

John was drowned by he was not wet. How?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?