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A boat takes a total time of three hours to travel downstream from P and Q and upstream back from Q to P. What is the speed of the boat in still water? I.  The speed of the river current is 1 km per hour.  II.  The distance between P a ?->(Show Answer!)
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1. A boat takes a total time of three hours to travel downstream from P and Q and upstream back from Q to P. What is the speed of the boat in still water? I.  The speed of the river current is 1 km per hour.  II.  The distance between P and Q is 4 km.






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  • By: guest on 01 Jun 2017 05.45 pm
     I. Speed of the current = 1 km/hr. II. PQ = 4 km. Let the speed of the boat in still water be x km/hr. Then, 4 + 4 = 3. This gives x. (x + 1) (x - 1) Correct answer is (E).
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