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14 September, 06:52

A train travels 90 kilometers in 1 hour, and then 82 kilometers in 5 hours. What is it's average speed?

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  1. 14 September, 07:17
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    Distance is 90km, time 1 hr

    distance 2 is 82km, time 5 hrs

    average speed=total distance travelled/total time taken.

    90+82=172/5+1=6

    average speed=28.7km over hour
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