Here's a new mentalfloss.com Brain Game Free-for-all Friday challenge. Enjoy!
What's the next letter in the following series, and why?
O, E, O, E, R, E, X, ?
Here is the ANSWER.
The letters represent the last letter in each digit, starting with 0: zerO, onE, twO, threE, fouR, fivE, siX, so the next is seveN.
Thanks for playing, and have a great... READ ON