Lemma
MediumRatio & rate
AQuA-RAT train #1069 · Arithmetic · Ratio & rate

Two trains are moving in the same direction at 72 kmph and…

Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 27 seconds. Find the length of the faster train?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #1069

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