Lemma
MediumDigits
AQuA-RAT train #19053 · Number Theory · Digits

How many integers between 400 and 1000 are there such that their…

How many integers between 400 and 1000 are there such that their unit digit is odd?

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 #19053

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