Question

a boat travel 60 km downstream in 4 hours if the speed of the boat is twice that of the river then find how much the boat travel in the opposite direction of the river in 2 hours

Answer 1

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Answer 2

Answer:

Let speed of river be x

and boat speed 2x ,

so 60/(2x+x)=4

or x=60/(3*4)=5 kmph.

So boat speed is 10 know.

Now 2*(10–5)=10 km

it will go 10 km in 2 hrs in opposite direction of the flow.

Step-by-step explanation:

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