In a room there are 3 bulbs and outside the room there are respective switches but in irrespective manner.One can switch on and get in only once.How would you find respective swiches for bulbs.
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In a room there are 3 bulbs and outside the room there are respective switches but in irrespective manner.One can switch on and get in only once.How would you find respective swiches for bulbs.
turn on the first switch for a while and off it and switch on the second one.
Then get into the room.
the one which is glowing is for the second switch, the one which is hot is for the first switch and the other one is for the third switch.
its pretty simple..u put on a switch and wait for sometime.switch that off...
put the second switch now..
Get into the room..
Now the bulb glows for the recent switch.made on..
the warm bulb wud correspond to the switch pressed first.
The third switch wud correspond to the unglowing bulb!!
good job barbie
u r right raju
Hi,
simple..u put on a switch and wait for sometime.switch that off...
put the second switch now..
Get into the room..
Now the bulb glows for the recent switch.made on..
the warm bulb wud correspond to the switch pressed first.
The third switch wud correspond to the unglowing bulb
Regards
Nikhil Rattan
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