AQuA-RAT train #42396 · Arithmetic · Ratio & rate
Two pipes A and B can fill a cistern in 75/2 minutes…
Two pipes A and B can fill a cistern in 75/2 minutes and 45 minutes respectively. Both pipes are opened. The cistern will be filled in just half an hour, if the B is turned off after:
AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #42396
Stuck? A gentle nudge
No hints for this one.
Your answer
Checked against the answer in AQuA-RAT.