If the speed of a train is increased by 5 km/hr from its normal speed it would have taken 2 hours less to cover a distance of 300 km. What is the normal speed of the train?
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Distance travelled = 300 km Let the original speed of train be x kmph Given that the speed of the train is increased by 5 km an hour. Hence the new speed is (x + 5) kmph Time taken to cover 300 km = 300/(x+5) Given that the time taken is 2 hours less when compared to the previous time. Since speed cannot be negative, hence the original speed of train is 25 kmph.
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