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A Boat, Whose Speed In 15 Km/hr In Still Water Goes 30 Km Downstream And Comes Back In A Total Of 4 Hours 30 Minutes. What Is The Speed Of The Stream? (in Km/hr)? |
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Answer» Speed of boat = 15 k/h LET the speed of stream be ‘S’ Given : 30/(15+S) + 30/(15-S) = 9/2 Speed of boat = 15 k/h Let the speed of stream be ‘S’ Given : 30/(15+S) + 30/(15-S) = 9/2 Solving we get, S = 5 km/h. |
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