Ratio of speed of boat in upstream to in downstream is 11 : 14. If boat travel 12 km upstream and 28 km downstream. Find the speed of stream is what percent of boat in downstream
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Answer:
The speed of current: 3 km/h
The speed of boat in downstream =
9×3
1
= 27 km/h
We know that,
=
downstreamspeed−upstreamspeed
2
= 3=
27−upstreamspeed
2
Upstream speed = 21 km/h
Required distance = 21×5=105km.
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