Mental Floss 245

The answer to last week’s challenge is, Q: What 3 Dimensional shapes have exactly two surfaces?

A: A solid cone, a solid hemisphere and a Möbius strip.

This week’s challenge is:

Q: There is a cabin on the top of a mountain. Inside the cabin are four dead people. All of the cabin doors are locked from the inside. What might have happened?

The answer along with a new challenge, next week.

Have an excellent weekend!

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