Question

.A boat goes 40 km in up stream hours and take6 hours to complete a distance of 36 km in downstream .
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

5.5km/hr

Step-by-step explanation:

Speed of boat downstream = 36/6 = 6Km/hr

speed of boat upstream =40/8 =5Km/hr

Speed of boat in still water =1/2(6+5)km/hr

= 5.5km/hr