Outside a room there are three light switches. Each switch
is connected to a different light bulb inside the room.
Each of the three switches can be either 'ON' or 'OFF'.
You are allowed to set each switch the way you want it,
once, and then enter the room.
Your task is to then determine which switch controls which
bulb. How can you do it?
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Answer Posted / pooja
we intially switch on the first switch ,after 5 min second
switch then after 5 min third switch and when we enter the
room then the bulb which is hottest belongs to first switch
and the bulb which is little hotter belongs to second switch
and so on
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