Lemma
MediumPermutations & combinations
AQuA-RAT train #20216 · Combinatorics · Permutations & combinations

In a particular 100 meter race, 9 athletes are participating that are…

In a particular 100 meter race, 9 athletes are participating that are numbered 1-9. In how many ways can athlete #4 finish ahead of #2 provided there's no tie among the athletes?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #20216

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