Lemma
MediumPermutations & combinations
AQuA-RAT train #30595 · Combinatorics · Permutations & combinations

A male leader is to be selected from a class of students…

A male leader is to be selected from a class of students having 15 boys and 20 girls. In how many ways can select?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #30595

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