Lemma
MediumDigits
AQuA-RAT train #31273 · Number Theory · Digits

The digital sum of a number is the sum of its digits

The digital sum of a number is the sum of its digits. For how many of the positive integers 24-140 inclusive is the digital sum a multiple of 7?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #31273

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