Lemma
MediumRatio & rate
AQuA-RAT train #25102 · Arithmetic · Ratio & rate

A water tank is one-fifth full

A water tank is one-fifth full. Pipe A can fill a tank in 15 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how many minutes will it take to empty or fill the tank completely?

~8 minAnswer checked instantly

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #25102

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