The speed of a boat in still water is 5km/hr. If the speed of the boat against the stream is 3 km/hr, what is the speed of the stream? A. 2 km/hr B. 2.5 km/hr C. 1 km/hr D. 1.5 km/hr Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Answer with explanation: Let the speed of stream = X km/hr Speed of boat = 5 km/hr Speed upstream = 3km/hr Apply formula: Speed upstream = speed of boat – speed of stream ∴ 3 = 5 – X X = 5 – 3 = 2 km/hr Workspace
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