If a man rows at 6 km/h in still water and 4.5 km/h against the current, then his along the current is?

Explain plz

Your Answer

still water speed 6 kmph. upstream 4.5 kmph. speed decreased due to the water current 6-4.5 =1.5kmph which is the speed of the stream while rowing downstream this speed will add up to the rowing speed in still water so the speed downstream i.e along the current is 6+1.5 =7.5 kmph

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