You are driving from point A to point B at a speed of 45km/hr. Your friend is driving from point B to point A at a speed of 53 km/hr. If the distance between the two points is 1029 km and both of you started at the same time. how many hours will it be before you pass each other ?
we make this question by relative velocity,Â
speed =43+53=98km/h
and distance =1029km
so time taken =$$\ \frac{\ 1029}{98}=10.5$$
before crossing to each other,
Hence option 'D' is correct.
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