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12 May, 17:21

A train travels 77 kilometers in 1 hour, and the 66 kilometers in 1 hour. What is the average speed?

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  1. 12 May, 17:41
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    Average speed = (total distance covered) / (time to cover the distance)

    Total distance = (77km + 66km) = 143 kilometers

    Time to cover the distance = 2 hours

    Average speed = (143 km) / (2 hours) = 71.5 km per hour
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