In a small village two thirds of the adult men are married to three quarters of the adult women.

How big is the smallest village for which this is true?

Can you describe the population of other villages for which this is true?

Click here to download the COUPLES PUZZLE worksheet.

Click here for the Notes for Teachers.

Click here to download the poster.

This activity is adapted from the NRICH task Couples with permission of the University of Cambridge. All rights reserved.

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