Answer / a.v.vysali

switch on a switch for an hour.Then after some time,(10
min) switch on the the second switch. now go in to the
other room and see which bulb is hot. that would be the
connection for switch1. the glowing bulb would be the
connection for second switch... the bulb which is not hot
would be the connection for the third switch....

Answer / ankita shukla

we have......1 switch board ...and three switches...
sabse pehle hum pehla wala switch 5-10 minut tak on rakhenge..fir..uske bad dusra wala switch on karenge...fir hum us room me jakar check karenge...agar bulb ON hoga to second noumber wala switch hoga...aur agar..bulb HOT hoga to... first wala switch hoga...agar in dono mese kuch bhi nahi hua to..3rd number wala switch hoga.....its right answer.....
NOTE:->"Sorry english thodi kamzor he......."

Answer / 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.

Answer / dharav

Turn on the buttons go and see whether the bulb is on or
not... now if it on den cool.. if not go back nd turn on the
left out switch the bulb is ON and u dont need to check it :)

Answer / shasha

Turn on switch 1 for 10 min. and then turn it off..Now turn
swith 2, and go to room and see the status of bulb..If bulb
is glowing then answer is switch 2,,else touch the bulb if
its hot then answer is switch 1 otherwise answer is switch
3.

Answer / sudhanshu_kmr

Firstly switch on first switch for one hour and switch off it.
then after, switch on second switch and go to the room and check
1. If light is on, SECOND switch is write switch.
otherwise
2. Check the temperature of bulb, if it is hot, FIRST is write switch.
other wise THIRD is write one.....

Answer / kt vikram

It can be verified by light from the bulb in another room..

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