Lemma
MediumPermutations & combinations
AQuA-RAT train #49256 · Combinatorics · Permutations & combinations

765 chairs are to be arranged in a column in such a…

765 chairs are to be arranged in a column in such a way that the number of chairs in each column should be equal to the columns. How many chairs will be excluded to make this arrangement possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #49256

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