Brainteaser

The solution will appear in the next issue, on stands July 9, 2021.

You’ve made your way through a winding labyrinth and find yourself confronted by one final obstacle before you can leave. You stand in front of two doors: One of the two is the exit, and the other leads right back into the labyrinth. There is a guard posted in front of each door. One guard always tells the truth, and the other always lies, but you don’t know which is which. What question can you ask either guard to find out which door is the exit?

Solution from the May 2021 issue:

I’m the spare tire in the trunk.