Mathematics · Speed, Time and Distance

A runner's average speed reduces by 25% every hour. If he runs 16 km in the first hour and he runs for 3 hours, then what is his overall average speed?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

113 km/hr
210.33 km/hr
312.33 km/hr✓
412 km/hr

Correct answer

12.33 km/hr

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A runner's average speed reduces by 25% every hour. If he runs 16 km in the first hour and he runs for 3 hours, then what is his overall average speed?

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A runner's average speed reduces by 25% every hour. If he runs 16 km in the first hour and he runs for 3 hours, then what is his overall average speed?

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