Lemma
MediumDigits
AQuA-RAT train #92290 · Number Theory · Digits

In a two-digit number, if it is known that its unit's digit…

In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 4 and that the product of the given number and the sum of its digits is equal to 90, then the number is:

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

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #92290

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