Lemma
MediumPermutations & combinations
AQuA-RAT train #66648 · Combinatorics · Permutations & combinations

A group of 5 friends—Archie, Betty, Jerry, Moose, and Veronica—arrived at the…

A group of 5 friends—Archie, Betty, Jerry, Moose, and Veronica—arrived at the movie theater to see a movie. Because they arrived late, their only seating option consists of 3 middle seats in the front row, an aisle seat in the front row, and an adjoining seat in the third row. If Archie, Jerry, or Moose must sit in the aisle seat while Betty and Veronica refuse to sit next to each other, how many possible seating arrangements are there?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #66648

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