Lemma
MediumRatio & rate
AQuA-RAT train #68950 · Arithmetic · Ratio & rate

Three pipes A, B and C can fill a tank in 4…

Three pipes A, B and C can fill a tank in 4 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 5 hours. How many hours will take C alone to fill the tank?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #68950

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