Speed of boat in still water is 9km/hr . if boat moves upstream A to B in 2 hrs. &
B to A in 1 hrs. Then find distance between A&B
Select the correct option:
A) 10km  B) 11km  C) 12km  D) 13km  E) 14km
Let speed of stream = s kmph   distance be x   for upstream   (9-s)*2=x (speed*time=distance)   for downstream   (9+s)*1=x   On solving we get x=12km   ANSWER:12km
<result>C</result>
Speed of boat in still water is 9km/hr . if boat moves upstream A to B in 2 hrs. &
B to A in 1 hrs. Then find distance between A&B