While covering a distance of 24 kilometers, a man noticed that after walking for 100 minutes, the distance covered by him is 5/7 of the remaining distance what was his speed in meters per second?
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This is relatively easy to do in your head---he has done 5/7 of the remaining distance, so he has completed 5/12 of the total distance . So for a distance of 24 km. he has run 10 kilometres (5/12 of 24 km.) in 100 minutes (1 hr.
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