Mathematics · Speed, Time and Distance
A girl was rowing a boat when suddenly her hat fell into the water and started drifting backwards with the stream. The boat kept moving for 12 more minutes against the stream before the girl realized her hat had fallen. She then turned around and rowed with the stream to catch her hat. If she caught the hat exactly at her initial starting point, and the hat fell in the water 3 km away from this starting point, find the speed of the stream.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115 km/h
- 29 km/h
- 314.5 km/h
- 47.5 km/h✓
Correct answer
7.5 km/h
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