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You are seat in one room having switch board containing 3
switchs & its connection to bulb in another room (only one
is right connection).terms- you can turn on max 2 buttons
and once you can go to see the answer which is right one?
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Answer Posted / ankur shrivastava
Switch on 2 bulbs (say A and B) for 5 mins.
Switch one of them off (say A).
Now go to the other room with 3 bulbs.
The one that is lighted is connected with switch A.
The one that is hot is connected with B (turned off just
now).
The third one is connected with C.
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