riddles

rossyl said:
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?
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nothing

I realise loads of people have probably posted this already, but I didn't want to read the thread and ruin it. Took me a few mins to figure it out, but once I got it, I'm fairly sure I've heard it before.
 
Gilly said:
These aren't riddles, they're easy :p
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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?
 
rossyl said:
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?
Click to expand...

Turn the first switch on and leave for a minute. Then turn it off and turn the second one on for another minute. Then turn it off and do the same with the third.

Then go in the room. If the lightbulb is cold, it was the first switch. If it was warm, the second switch, if it's on it's the third switch.
 
Steve2000 said:
Turn the first switch on and leave for a minute. Then turn it off and turn the second one on for another minute. Then turn it off and do the same with the third.

Then go in the room. If the lightbulb is cold, it was the first switch. If it was warm, the second switch, if it's on it's the third switch.
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This is the answer, but he posted the question wrong, The man was already in the room and the door closes when he exits so he can't get to the switches and back to see the light.
 
geuben said:
This is the answer, but he posted the question wrong, The man was already in the room and the door closes when he exits so he can't get to the switches and back to see the light.
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That was not quiet the answer, turn one on for a bit, turn it off then turn another on and go in the room. One will be on, one will be warm (having been on) and the other cool having never been on.
 
callmeBadger said:
That was not quiet the answer, turn one on for a bit, turn it off then turn another on and go in the room. One will be on, one will be warm (having been on) and the other cool having never been on.
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You're right, I didn't read the answer properly. The question is still written wrong.
 
rossyl said:
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?
Click to expand...

You'd better better off saying you can only open the door once and you're outside.

The answer would be to turn one on, wait a bit, turn it off and turn another one on. If it is warm it is the first one you switched, if it is the one you turned on it will be on, if the last one it will not have been touched and will be off.

Steve2000 said:
Turn the first switch on and leave for a minute. Then turn it off and turn the second one on for another minute. Then turn it off and do the same with the third.

Then go in the room. If the lightbulb is cold, it was the first switch. If it was warm, the second switch, if it's on it's the third switch.
Click to expand...

Why bother with the first switch if you're going in when it is cold anyway? :confused:
 
callmeBadger said:
That was not quiet the answer, turn one on for a bit, turn it off then turn another on and go in the room. One will be on, one will be warm (having been on) and the other cool having never been on.
Click to expand...

The question said there was 1 lightbulb and 3 switches. Needing to find out which switch lights the bulb.

Not 3 lightbulbs to 3 switches.

I think lol :p
 
rossyl said:
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?
Click to expand...

Seeing as folk have made such a hash of explaining the solution, I'll have a go :p

  • Exit the Room
  • Flick on switch 1 for a few mins, then switch back off
  • Flick on switch 2
  • Leave switch 3
  • Re-enter Room
  • If bulb is OFF and warm, it is controlled by switch 1
  • If bulb is ON, it is controlled by switch 2
  • If bulb is OFF and cold, it is controlled by switch 3
 
div0 said:
Seeing as folk have made such a hash of explaining the solution, I'll have a go :p

  • Exit the Room
  • Flick on switch 1 for a few mins, then switch back off
  • Flick on switch 2
  • Leave switch 3
  • Re-enter Room
  • If bulb is OFF and warm, it is controlled by switch 1
  • If bulb is ON, it is controlled by switch 2
  • If bulb is OFF and cold, it is controlled by switch 3
Click to expand...

This is correct.
 
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