AQuA-RAT train #46179 · Combinatorics · Permutations & combinations
20 buses are running between two places P and Q
20 buses are running between two places P and Q. In how many ways can a person go from P to Q and return by a different bus?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #46179
Stuck? A gentle nudge
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