If a wheel has 54 spokes, how many spaces are there between the spokes?

our enemy challenges you to play Russian Roulette with a 6-cylinder pistol (meaning it has room for 6 bullets). He puts 2 bullets into the gun in consecutive slots, and leaves the next four slots blank. He spins the barrel and hands you the gun. You point the gun at yourself and pull the trigger. It doesn't go off. Your enemy tells you that you need to pull the trigger one more time, and that you can choose to either spin the barrel at random, or not, before pulling the trigger again. Spinning the barrel will position the barrel in a random position.

Assuming you'd like to live, should you spin the barrel or not before pulling the trigger again?

What jumps when it walks and sits when it stands?

Why is a river so rich ?

If two's company, and three's a crowd, then whats four and five ?

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

What Word am I Looking For ?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

What can go up a chimney down, but can’t go down a chimney up?

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?