AQuA-RAT train #9981 · Arithmetic · Ratio & rate
Two pipes A and B can separately fill a tank 12 minutes…
Two pipes A and B can separately fill a tank 12 minutes and 15 minutes respectively. Both the pipes are opened together but 4 minutes after the start the pipe A is turned off. How much time will it take to fill the tank?
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #9981
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