Mathematics · Speed, Time and Distance
The distance between Uma's office and home is 80 km. One day, she left for the office 1 hour later than her usual time, so she increased her speed by 4 km/hr and managed to reach the office at her normal time. What is the changed (increased) speed of Uma?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 km/hr
- 240 km/hr
- 316 km/hr
- 420 km/hr✓
Correct answer
20 km/hr
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