If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What can you catch but never throw?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

Name the three-letter word that can complete the below words:

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Jack and Joseph are well-known golf rivals. One Day during a match, they were level at a score of 30. Jack hit a bad shot and Joseph added 10 to his score. Joseph then hit an awesome shot and he won the game.

How ?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What is at the end of a rainbow?

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?

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

It belongs to you, but other people use it more than you do. What is it?