a train covers 70km in first 1 hrs, next40km in next0.5hrs and next 50km in another0.7hrs .what is the average speed of the train
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Answer:
72.7 km/hr
Explanation:
Total distance covered =70km+40km+50km=160km
Total time taken=1+0.5+0.7=2.2
Average speed =total distance/total time
=160/2.2=72.7 km/hr
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