A palindrome is a number that reads the same forward and backward…

A palindrome is a number that reads the same forward and backward, such as 196. How many odd, 4-digit numbers are palindromes?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #87932