Two trains moving with the speed of 50km/h and 65km/h , start at the same time from two stations 345 km apart . If both trains runs in opposite directions , after how many hours will they cross each other?
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Two trains moving with the speed of 50km/h and 65km/h , start at the same time from two stations 345 km apart . If both trains runs in opposite directions , after how many hours will they cross each other?
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The relative speed=50+65=115km/hr
the distance=345 km
Time= distance / speed
time =345/115=3 hr