Question

The speed of a boat in downstream direction is 14 km/hour and in upstream direction is 8 km/hour. find the speed of this boat in still water :

Answer 1

Let the speed of boat be x

let speed of stream be y

(x+y)=14 (downstream)

(x-y)=8 (upstream)

adding the two

2x=22

x=11.

This is the required answer