The 1:30 pm train leaves the station as a prospective passenger reaches…

The 1:30 pm train leaves the station as a prospective passenger reaches the platform. Assuming that the train is going at 40 kmph, and the next train is an Express leaving half an hour later, which will go 50 kmph, when will the passenger reach the same place as the train he missed?

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #76635