Mathematics · Speed, Time and Distance
A seasoned marathoner, known for his steady pace, usually runs the first half of a race distance at 8 km/hr and the second half at 6 km/hr. However, due to fatigue and other factors, his overall speed drops by 30%. How long will it take him to complete a 120 km marathon under these reduced-speed conditions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 117.5 hours
- 225 hours✓
- 315 hours
- 412.5 hours
Correct answer
25 hours
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