Question

meaning of upstream and downstream in maths

Answer 1

When the direction of moving boat and direction of stream is same then the boat is moving in downstream.
Whereas, when the direction of moving boat and direction of stream is opposite then the boat is moving in upstream.

Answer 2

Answer:

if the direction of the boat goes along the stream(the water) is said to be downstream.

if the direction of the boat goes opposite to the direction of the stream is said to be upstream.

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