A motor boat covers a certain distance downstream in 30 minutes, while it comes back in 45 minutes. if the speed of the stream is 5 kmph what is the speed of the boat in still water?
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45×5=225km his contains
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Let speed of boat is x in still water
Then,
(x+5)*30=(x-5)*45
2x+10=3x-15
x=25 kmph
Then,
(x+5)*30=(x-5)*45
2x+10=3x-15
x=25 kmph
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