Real-life
Puzzles
- balance.nailsYou are given a small block of wood with a nail hammered partially into it, and 6 more nails of the same size. New
- brightest.time"See my clock, Dad? New
- corkHow do you get a cork out of a wine bottle without a corkscrew? New
- five.times.a.yearI did something recently that I do *exactly* 5 times a year, every year. New
- ice.traysA friend of mine turns some of the ice trays in his freezer upside-down when he goes on vacation. New
- icecubesYou have an old-fashioned refrigerator with a small freezer compartment which could hold seven ice cube...
- lost.nutsWhile changing a flat tire, all five of the tire lugs roll into a storm drain, out of reach.
- microwaveEvery morning when I warm my milk for breakfast, I put one cup of milk in the microwave (which is in working order) for exactly 84 seconds.
- painted.linesWhy would white lines be painted on the streets at manholes, and why would it be done in November? New
- three.switchesA lightbulb is turned on by one of three switches, but you cannot see the bulb from the switches. Added material
- timing.traffic.lightHow long was the red light, if you had no clock with a second hand but could work it out later at home? New
- train.fireA train that can do only 50 mph is being overtaken by a fire moving at 70 mph along a straight track with... New, unsolved
- truck.under.bridgeA truck doesn't quite fit under a bridge and becomes stuck.
- tunnel.crashHere is a puzzle that may save your life someday. New