![Wes Carroll's Puzzler - 20: The middle digit [**]](https://storage.googleapis.com/goodpods-images-bucket/episode_images/717c65b3ebb50d7a96cb010c7c1c13aa8e266e2b4097e33564ea948cde7b466b.avif)
How many three-digit numbers satisfy the property that the middle digit is the average of the first and the last digits? // Spiciness: ** out of ****
08/28/16 • 2 min
Generate a badge
Get a badge for your website that links back to this episode
Select type & size
<a href="https://goodpods.com/podcasts/wes-carrolls-puzzler-224478/20-the-middle-digit-25508773"> <img src="https://storage.googleapis.com/goodpods-images-bucket/badges/generic-badge-1.svg" alt="listen to 20: the middle digit [**] on goodpods" style="width: 225px" /> </a>
Copy