A streamer goes downstream and covers the distance between two ports i

1.	A streamer goes downstream and covers the distance between two ports in 4 hrs and covers the same distance upstream in 5 hrs. If the speed of the stream be 2 km/hr, then find the speed of streamer in still water. I need the answer asap pls
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A streamer goes downstream and covers the distance between two ports in 4 hrs and covers the same distance upstream in 5 hrs. If the speed of the stream be 2 km/hr, then find the speed of streamer in still water. I need the answer asap pls

Answer»

Answer:

this MAY HELP you!!

in RETURN,PLS mark me as brainlist.....!