Mathematics · Speed, Time and Distance
A boat travels 48 km downstream and then returns upstream to its starting point. The downstream journey takes 2 hours and the upstream journey takes 4 hours. On the return journey, when the boat is 18 km from the starting point, the stream speed increases by 2 km/hr. How much additional time does this change add to the total return journey?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
18 minutes
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