Lemma
MediumCounting & chance
AQuA-RAT train #38235 · Probability · Counting & chance

A bag contains 5 red, 4 blue and M green balls if…

A bag contains 5 red, 4 blue and M green balls if the probability of getting both the balls green, when two balls are selected at random is 1/7, find M

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #38235

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