Mental Floss 243

The answer to last week’s challenge is, Q: If you’re 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

A: An infinite number.  Technically you will never reach the door, as you can only move half the distance, no matter how small.

This week’s challenge is:

Q: What 3 Dimensional shapes have exactly two surfaces?

The answer along with a new challenge, next week.

Have an excellent weekend!

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