Lemma
MediumPermutations & combinations
AQuA-RAT train #90273 · Combinatorics · Permutations & combinations

A composer’s guild is planning its spring concert, and ten pieces have…

A composer’s guild is planning its spring concert, and ten pieces have been submitted for consideration. The director of the guild knows that they will only have time to present four of them. If the pieces can be played in any order, how many combinations of pieces are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #90273

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