Lemma
MediumPermutations & combinations
AQuA-RAT train #78058 · Combinatorics · Permutations & combinations

John needs 4 balls out of 10 balls.How many ways are possible

John needs 4 balls out of 10 balls.How many ways are possible?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #78058

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