How many 4-digit even numbers are possible such that if one of…

How many 4-digit even numbers are possible such that if one of the digits is 5, the next/succeeding digit to it should be 7?

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 #25109