riddles

[rossyl]

It's more powerful than God.
It's more evil than the devil.
The poor have it.
The rich need it.
If you eat it, you'll die.
What am I?

 

[rossyl]

The backpack - i presume is the same answer.

wetter the more it dries...the sea?

 

[rossyl]

These aren't riddles, they're easy

There's a room with no windows. The walls are all solid. There is one door, when closed you cannot into the room, or out of it at all it is perfectly sealed. The door closes the second you enter on exit the room, it cannot be wedged open.

There is a lightbulb in the room. There is a man in the room. Outside the room there are three light switches.

He can only exit the room once and re-enter the room once.

How does the man find out which turns the lightbulb on?