Lemma
MediumPermutations & combinations
AQuA-RAT train #893 · Combinatorics · Permutations & combinations

If a refrigerator contains 12 cans such that there are 7 blue…

If a refrigerator contains 12 cans such that there are 7 blue cans and 5 red cans. In how many ways can we remove 8 cans so that at least 1 blue can and 1 red can remains in the refrigerator.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #893

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