Lemma
MediumPermutations & combinations
AQuA-RAT train #93423 · Combinatorics · Permutations & combinations

If among 5 children there are 2 siblings, in how many ways…

If among 5 children there are 2 siblings, in how many ways can the children be seated in a row so that the siblings do not sit together? A. 38 B. 46 C. 72 D. 86 E. 102

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #93423

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