Can you name an animal whose killing cannot be performed without spilling your own blood?

A bomb exploded in a room full of married couples and no one died. How?

What building has the most stories?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

What kind of storm is always in a rush?

Why are all black people so quick ?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?