Lemma
MediumPermutations & combinations
AQuA-RAT train #4117 · Combinatorics · Permutations & combinations

In how many different number of ways a Committee of 2person of…

In how many different number of ways a Committee of 2person of can be selected from 2boys and 2girls such that at least 1 girl is included in the committe

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 #4117

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