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04-01-2020
Mathematics

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A boat whose speed in 15km/hr in still water goes 30 km downstream and come back in a total of 4 hours 30 minutes.The speed of the stream(in km/hr) is

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04-01-2020

Answer: total Distance = 60km

Time = 4.5hrs

Speed = 60/4.5

13⅓km/hr

Step-by-step explanation:

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