How dumb are you? (Riddle)

[Bostaevski]

k then how about this
1. Turn on, leave on
2. Turn on, turn off right before checking room
3. Leave off
4. Leave off but then turn on right before checking room

The bulb that is on and HOT AS [censored] is #1
Bulb that is off and warm/hot is #2
Bulb that is off and cool is #3
Bulb that is on and warm is #4

[theblitz]

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Could have two bulbs that are off, one hot and one cold. Then two bulbs that are on, one warm and one very hot.

[/ QUOTE ]
Close.

What you do is switch on 2 of the bulbs and leave the on for 1/2 an hour.
The you switch off one of them and turn on one of the others and go into the room.
One of the two lit bulbs will still be cold and one of the unlit bulbs will still be hot.

[Maple Leafs]

[ QUOTE ]
[ QUOTE ]
Could have two bulbs that are off, one hot and one cold. Then two bulbs that are on, one warm and one very hot.

[/ QUOTE ]
Close.

What you do is switch on 2 of the bulbs and leave the on for 1/2 an hour.
The you switch off one of them and turn on one of the others and go into the room.
One of the two lit bulbs will still be cold and one of the unlit bulbs will still be hot.

[/ QUOTE ]
Isn't that pretty much what I said?

[the machine]

for real..... this took me about 14 seconds.

[HesseJam]

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The best riddle ever is still the one with the village of 50 couples where any woman has to kill her husband the same day she learns that he cheated on her with another wife in the village. If a wife cheats on her husband with another man of the village she has to visit all other women in the village - but not the man's own wife - and tell them about it. And we know that all men cheated in the past. One day the queen visits the village and tells all the women that at least one man of the village cheated. What happens?

[/ QUOTE ]

50 dead husbands eventually

[/ QUOTE ]

Yeah, the tricky thing about that one was that you can specify exactly when.