Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

There are forty elephants and they have forty-fore heads. How can this be possible?

If you say my name, I will no longer exist. What am I?

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

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

Can you count the number of triangles in the picture below?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?