Lemma
MediumPermutations & combinations
AQuA-RAT train #40119 · Combinatorics · Permutations & combinations

An exam paper consists of 5 problems, each problem having 3 internal…

An exam paper consists of 5 problems, each problem having 3 internal choices. In how many ways can a candidate attempt one or more problems?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #40119

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