Question

The speed of a boat in still water is 12km/h. If the boat goes 72km downstream in 8 hours . Find the speed of the stream.​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given V(br)=12 kmph,

V(s)=72 km and V(t)=8hr

So, Speed of boat is 72÷8=9kmph

Formulae for down ward stream is V(b)=V(br)+V(r)

Vr=9-12=3km deep in the water