This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere. A math teacher walks us through solving it.
An old riddle runs as follows. An explorer walks one mile due south, turns and walks one mile due east, turns again and walks one mile due north and winds up back at the starting point. Then the ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback