The distance between 2 stations is 200 km if a train covers half of this distance with a speed of 40km/hr and the remaining half with a speed of 50km/hr, we find the average speed of the train
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Explanation:
Time taken by train to cover first half distance=100÷40=2.5hrs
Time taken by train to cover second half distance=2hrs
Total time =4.5hrs
Av speed=200/4.5=44.44kmph
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