Question

sum of upstream and downstream speed is 24km/hr and the speed of the current is 2km/hr.Find the time to cover 35km downward.​

Answer 1

Answer:

2.9 hr or 3hr

Step-by-step explanation:

let speed of the boat be x.

ATQ --

(x+2)+(x−2)=24

x = 12

then,

time = distance / speed

       =  35 / 12

       = 2.9 hr or 3hr

   

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