A train travel 360km with uniform speed. the speed of the train is increased by 5km/hr, it taken 48minutes less to cover the same distamce. find the initial speed if the train.
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Step-by-step explanation:
Let the speed of the train be V km/hr.
And the time it takes to cover a distance be (t) hr.
Now it is given that the train covers a distance (d) = 360 km with some speed.
Now it is given that the speed is increased by 5 km/hr. it will cover the same distance in 48 minutes less.
Now as we know 60 min = 1 hour.
Therefore 48 min = (48/60) hour
Therefore new speed = (V + 5) km/hr.
And the new time = (t – (48/60)) hr.
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