Mental Floss 258

The answer to last week’s challenge is, Q: If you put a coin in an empty bottle and insert a cork into the neck of the bottle, how can you remove the coin without taking out the cork or breaking the bottle?

A: Push the cork into the bottle and then take out the coin.

This week’s challenge is:

Q:  How can you build pig pens so that you can put nine pigs in four pens so that each pen has an odd number of pigs?

The answer along with a new challenge, next week.

Have an excellent weekend!

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