Riddle #518

What happened when wheel was invented?

Dean Sam and Castiel are three brothers. Interestingly their current age is prime. What's more interesting that difference between their ages is also prime. How old are they?

Using eight eights and addition only, can you make 1000?

A man hijacks an aeroplane transporting both passengers and valuable cargo. After taking the cargo, the man demands two parachutes, puts one of them on, and jumps, leaving the other behind. Why did he want two?

What word becomes shorter when you add two letters to it?

A man was driving a truck at 60 mph. He did not have his headlights on and the moon was not up. Yet he did not hit the woman who crossed the road. How?

Find three positive whole numbers that have the same answer added together or when multiplied together.

What is as light as a feather but impossible to hold for several minutes?

How many sides does a circle have?

If an electric train is going east at 60 miles an hour and there is a strong westerly wind, which way does the smoke from the train drift?

I travel all over the world. But I could not move, just stay in a same single spot. What Am I?