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Problem Solver question!
Upstairs there are 3 light switches and downstairs there are 3 light bulbs now your only allowed to go down the stairs once. How do you work out which switch is for which bulb?
Who's the smartest DiSer?
Upstairs there are 3 light switches and downstairs there are 3 light bulbs now your only allowed to go down the stairs once. How do you work out which switch is for which bulb?
Who's the smartest DiSer?