Lemma
MediumPermutations & combinations
AQuA-RAT train #51046 · Combinatorics · Permutations & combinations

Suppose 7 students are staying in a hall in a hostel and…

Suppose 7 students are staying in a hall in a hostel and they are allotted 7 beds. Among them, Parvin does not want a bed next to Anju because Anju snores. Then, in how many ways can you allot the beds?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #51046

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