Question

Please give me the answer of this question Guys
if a boat whose speed is 9 km per hour going in a river with a stream velocity 2 kilometre per hour then the speed of the boat in downstream and upstream are:​

Answer 1

Answer:

downstream means the boat is flowing along the stream which will increase the velocity.so velocity becomes 11km/hr

upstream means it is flowing aganist the stream which will decrease the velocity.so velocity becomes 7km/hr

hope it helps

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