Brain Teasers
Logic and lateral-thinking challenges.
10 published riddles
The Silent Switchboard
Four switches are outside. One controls a sealed room’s fan. Enter only once—how do you identify it?
The Two-Switch Shortcut
You may flip two switches once. How can you identify all three bulbs?
The Missing Seat
Five people sit in a row. Two always lie. Who sits in the middle?
The One Honest Label
Three jars are mislabeled. Pick one fruit to label every jar correctly. Which jar do you choose?
The Silent Visitor
A person enters a room and presses a button. Moments later, everyone applauds. Why?
The Quiet Ride
A bus driver goes the wrong way on a one-way street. Why isn’t he stopped?
The Silent Switchboard
Three switches control one bulb upstairs. One trip upstairs only—how do you identify each switch?
The Uneven Clock
A clock strikes six in 5 seconds. How long to strike twelve?
The Silent Switch
Three switches are outside. Which one powers the warm bulb inside?
The Elevator Exception
A man lives on the 20th floor. Why does he walk down but ride up?