A man can push upstream at 6km/hr and downstream at 10 km/hr. Discover man’s rate in still water and the rate of the momentum.
Answer with explanationAnswer: Option B
Speed upstream =6 km/hr` Speed downstream = 10 km/hr` Rate in still water = 1/2 (10-6) km/hr. = 6km/hr` Rate of the current = 1/2 (10+6) km/hr =8 km/hr
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