In a room there are 3bulbs, and in the net room there are 3
switches. one can not see through the rooms, then how can
you know that which switch is for which bulb with out taking
any one's help?

Answer Posted / amolkumar musale

Hi...
There is simple answer for it. The answer above is also
right but if u r supposed to do it in only in one turn
then...?

Its simple.. Just put any switch on for some time. Then put
it off. Put another switch on. Then go to the bulbs' Room.
The bulb which is on is of the switch which is on. The bulb
which is hot corresponds to the last switch which is
previously u put on. And the remaining one switch belongs
to the bulb which is COOL.........

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