Lemma
MediumRatio & rate
AQuA-RAT train #6547 · Arithmetic · Ratio & rate

Two trains of length 120 m and 280 m are running towards…

Two trains of length 120 m and 280 m are running towards each other on parallel lines at 42 kmph and 30 kmph respectively. In what time will they be clear of each other from the moment they meet?

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 #6547

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