120. Sunny Day
A man stays in a room that has no windows or doors, the only thing in there are a very small holes and an open light bulb. The question is.... how does the man knows if it is already night or night will coming??? without looking outside through the holes.
Submitted by dave08 · Added 22 June 2014
Solution:
The man can determine if it is night or day by observing the light bulb and the small holes in the room; if the light bulb is on, it indicates daytime, while if it is off and no light comes through the holes, it suggests nighttime.
Comments (2)
well the light at day time will come through those holes and he will know it is day
Post this simplification Applicable true.
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