Mathematics · Time, Speed and Distance
A person covers a certain distance in 40 minutes if he runs at an average speed of 45 km/h. Find the speed at which he must run to reduce the journey time to 30 minutes.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 135 km/h
- 250 km/h
- 360 km/h✓
- 436 km/h
Correct answer
60 km/h
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