A train travel at 60km/1h for 0.52hour and 30km/1h for next 0.24hour and at 70km/1h for the next 0.71h what is the average speed of the train
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Here in the third case, the train travels at a speed of 70km/h for a time of 0.71 hr. =70 × 0.71 hr . = (31.2 + 7.2 + 49.7) km = 88.1 km . Total time taken = (0.52 + 0.24 + 0.71) hr = 1.47 hr .
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