A boat covers a distance of 24 km upstream in 3 hours if the stream flows at 4km/h find the speed of the boat in still water
Answers
Answered by
55
Answer:
12km/hr
Step-by-step explanation:
speed of the boat = 24/3 km/hr
=8km/hr
speed of stream= 4km/hr
speed of the boat in still water =8+4
=12km/hr
Answered by
20
Answer:
Let the speed of the boat in still water = u km/hr
Given, speed of the stream = 4 km/hr
Now, upstream = u - 4 km
We know that,
Distance = speed * time
=> 24 = (u - 4) * 3
=> u - 4 = 24/3
=> u - 4 = 8
=> u = 8 + 4
=> u = 12 km/hr
So, the speed of the boat in still water is 12 km/hr
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