People put me on the table and cut me but do not eat me. What am I?

What kind of tree can you carry in your hand?

I am the black child of a white father, a wingless bird, flying even to the clouds of heaven. I give birth to tears of mourning in pupils that meet me, even though there is no cause for grief, and at once on my birth, I am dissolved into air. What am I?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Count the number of balls in picture below:

What will you call your mother's brother's brother-in-law?

What breaks yet never falls, and what falls yet never breaks?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

You are in a room with no metal objects except for two iron rods. Only one of them is a magnet.
How can you identify which one is a magnet?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?