Question

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

Answer 1

Answer:

Distance = 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 .

Explanation:

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