Lemma
MediumRatio & rate
AQuA-RAT train #24663 · Arithmetic · Ratio & rate

A, B, K start from the same place and travel in the…

A, B, K start from the same place and travel in the same direction at speeds of 30km/hr, 40km/hr, 60km/hr respectively. B starts four hours after A. If B and K overtake A at the same instant, how many hours after A did K start?

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #24663

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