1) There is 3 bulbs in a room .. and 3 switch outside it how can we know which switch for each bulb ?
2) There is two gate keeper once alway tell the truth and one alway lie, if we want enter the right gate how should we do if we can only ask one question from them ?
answer : --------------------------------
1 comment:
This is the answer from me
1. Swith on one light n wait for a while and switch another light for a second.. then u will know which switch for each bulb
2 . Ask what is the answer from other gate keeper which if ask him which is the right gate..
thanks mr amol..
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