Lemma
MediumRatio & rate
AQuA-RAT train #14193 · Arithmetic · Ratio & rate

Three pipes A, B and C can fill a tank in 6…

Three pipes A, B and C can fill a tank in 6 hours. After working at it together for 2 hours. C is closed A and B can fill the remaining par in 7 hours. The number of hours taken by C alone to fill the tank is?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #14193

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