a Boat goes 36 kilometre in the direction opposite to the flow at 6 km per hour and travels 40 km in 5 hours then what is the speed of the boat in calm water
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Answer:
7km/h
Step-by-step explanation:
in opoosite direction it takes 36/6 = 6hrs
in same direction it takes 40/5 = 8hrs
av speed in steadt water is 6+8/2 = 7km/h
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