Lemma
MediumDigits
AQuA-RAT train #60261 · Number Theory · Digits

In a set of numbers from 100 to 400 inclusive, how many…

In a set of numbers from 100 to 400 inclusive, how many integers are odd and do not contain the digit 5?

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 #60261

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