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A swimmer wishes to cross a 800 m wide river flowing at 6 km/hr. His speed with respect to water is 4 km/hr. He crosses the river in shortest possible time. He is drifted downstream on reaching the other bank by a distance of |
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Answer» A swimmer wishes to cross a 800 m wide river flowing at 6 km/hr. His speed with respect to water is 4 km/hr. He crosses the river in shortest possible time. He is drifted downstream on reaching the other bank by a distance of |
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