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A passenger train takes 2 hours less for a journey of 300 km if its speed is increased by 5 km/hr

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A passenger train takes 2 hours less for a journey of 300 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.

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Best answer

If the speed is increased by 5 km/hr, the train takes 2 hours less for the same journey.
⇒ speed of the train after increasing = (x + 5) km/hr

And time is taken by the train after increasing the speed

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