Lemma
MediumRatio, proportion & variation
AQuA-RAT train #4860 · Algebra · Ratio, proportion & variation

Two trains running in opposite directions cross a man standing on the…

Two trains running in opposite directions cross a man standing on the platform in 20 seconds and 18 seconds respectively and they cross each other in 19 seconds. The ratio of their speeds is:

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 #4860

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