A train travels at a speed of 60Km.hr for 0.52h , at 30 Km/r for the next 0.24h and then at 70km.h for the next 0.71hour. what is the average speed of the train

Asked by chaitra k k | 23rd May, 2014, 10:35: PM

Expert Answer:

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Answered by Romal Bhansali | 24th May, 2014, 02:57: PM