Lemma
MediumPermutations & combinations
AQuA-RAT train #33577 · Combinatorics · Permutations & combinations

In how many ways 4 boys and 1 girls can be seated…

In how many ways 4 boys and 1 girls can be seated in a row so that they are alternate.

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #33577

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