In the above number, A and B represent the tens and units…

In the above number, A and B represent the tens and units digits, respectively. If the above number is divisible by 45, what is the greatest possible value of B x A?

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 #77349