An engine of length 1000 m moving at 10 m/s

An engine of length 1000 m moving at 10 m/s. A bird is flying from the start of the engine to the end at x kmph and coming back at 2x. Take total time of bird traveling as 187.5 seconds. Find x and 2x

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · dev #213