Question

Find the time taken by a train of length 350 m with speed of 39 km per h to cross another train of length 280 m with speed of 33 km/h going in the opposite direction on a parallel track.
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Answer 1

Answer:

(350+280)/(39000+33000)*3600=31.5 secs

Step-by-step explanation:

Answer 2

Step-by-step explanation:

350+280=630

39000+33000=72000

630/72000=0.0875

0.875*3600=31.5