Mathematics · Speed, Time and Distance
A boat covers a certain distance downstream and covers the same distance while returning upstream. The ratio of the time taken to cover the downstream distance to the upstream distance is 3 : 7. If the speed of the boat in still water is reduced by 50%, it covers 100 km downstream in 10 hours. Find the original speed of the boat in still water.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 175/9 km/hr
- 225/9 km/hr
- 350/9 km/hr
- 4100/9 km/hr✓
Correct answer
100/9 km/hr
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