OpenEuphoria

RE: Logic challenge (nonprograming)

• Posted by "C. K. Lester" <cklester at yahoo.com> Feb 14, 2002
• 438 views

engale2000 at hotmail.com wrote:
> 
> There are three lightbulbs in the basement all controled by three 
> different switches up stairs. You can't see the lightbulbs from
> upstairs when at the different switches.
> 
> Your task is to figure out what switch controls which bulb in
> only ONE trip down to the basement.

How about turn one on for a few minutes. Turn it off. At this point it 
is hot from being on (unless it's one of those energy efficient bulbs 
that don't heat up!). Turn on the next switch. Go downstairs.

The one that's hot was controlled by the first switch. The one that's on 
is controlled by the second switch. The third (cool and off) bulb is 
controlled by the third switch.

This is probably one of many solutions, but it's the only one I could 
think of if we have no way to visually deduce which is which.

Or maybe this is just a trick question!!! :P