Lemma
MediumRatio & rate
AQuA-RAT train #21235 · Arithmetic · Ratio & rate

Two taps can separately fill a cistern 10 minutes and 12 minutes…

Two taps can separately fill a cistern 10 minutes and 12 minutes respectively and when the waste pipe is open, they can together fill it in 18 minutes. The waste pipe can empty the full cistern in?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #21235

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