Light Switches
Published: Nov 30, 1999
Riddle: there are 3 light bulbs in three seperate rooms. in front of you, there is a panel with 3 seperate switches. they only turn on or off. you may look inside each room only once. how can you tell which bulb belongs to which switch?
Answer: you turn on any two switches, leave them for a few minutes, and turn one off. you enter each room only once. you know that the lightbulb that is lit beongs to the switch that was left on, the bulb that is off, but hot, belongs to the switch you turned off, and the cold bulb belongs to the switch you never touched.
Numbers Riddles are hand picked Numbers Riddles for use by teachers in the classroom and for home school lessons. This numbers riddles quiz provides the option to be downloaded as a PDF or printable directly from the Numbers Riddles quiz page.
School Riddles are hand picked School Riddles for use by teachers in the classroom and for home school lessons. This school riddles quiz provides the option to be downloaded as a PDF or printable directly from the School Riddles quiz page.
Independence Day Riddles are hand picked Independence Day Riddles for use by teachers in the classroom and for home school lessons. This independence day riddles quiz provides the option to be downloaded as a PDF or printable directly from the Independence Day Riddles quiz page.
