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20. A steamer goes downstream and coversthe distance between two ports in 5 hourswhile it covers the same distance upstreamin 6 hours. If the speed of the stream is1 km/hr, find the speed of the steamer instill water.(A) 12 km/hr (B) 11 km/hr(C) 13 km/hr (D) 14 km/hr |
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Answer» Step-by-step EXPLANATION: |
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