What does this simple rebus mean?

A man is lying dead in a field where no one is around. His head is split open and his legs are disfigured. Near to him, there is an unopened package. No living organism can be found anywhere at the crime scene.

How did he die?

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

What Word am I Looking For ?

What can jump higher than a building?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What can go through glass without breaking it?

What is the fastest way to double your money?

Which wheel of car does not rotate when you turn your car right?