Lemma
MediumRatio, proportion & variation
AQuA-RAT train #27697 · Algebra · Ratio, proportion & variation

If a code word is defined to be a sequence of different…

If a code word is defined to be a sequence of different letters chosen from the 10 letters A, B, C, D, E, F, G, H, I, and J, what is the ratio of the number of 5-letter code words to the number of 4-letter code words?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #27697

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