Switches & Bulb

You have 3 switches in a room. One of them is for a bulb in next room. You can not see whether the bulb is on or off, until you enter the room. What is the minimum number of times you need to go into the room to determine which switch corresponds to the bulb in next room ?

3

2

1

0

Login to submit your solution

Fb dab53a1a64929320dc7425896aa73fd9e5512b6ab52e414ff5f3ebb5cecc73eb

Share Problem