Question

two trains 350m and 250m long crosses each other in how much time

Answer 1

Answer:

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To Find :-

Time that two trains take to cross each other at 350m and 250m at a speed of

42 km/h and 30 km/h.

Solution :-

Let time taken = t hours

Distance covered by both trains = 42t + 30t = 72t

72t = (350+250)/1000

✒ t = 6/720

✒ t = 1/120 hr

✒ t = 60/120 minutes = 1/2 minute

✒ t = 60/2 = 30 secs

Hence the time taken by both trains to cross each other at 350m and 250m at a speed of 42 km/h and 30 km/h is 30 secs

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