Lemma
MediumDivisibility
AQuA-RAT train #19133 · Number Theory · Divisibility

When a certain number X is divided by 143, the remainder is…

When a certain number X is divided by 143, the remainder is 21. Which of the following numbers, if added to X, would result in a number divisible by 13?

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 #19133

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