Speed of boat in downstream is 12 km/hr and in upstream is 06 km/hr. Find the speed of boat in still water:
Answer & explanation
Correct answer: option 3
Speed of Boat in still water = \(\frac{Speed\;of\;boat\;in\;Down\;stream\;+\;Speed\;of\;boat\;in\;Up\;stream}{2}\)
= \(\frac{12 + 6}{2}\)
= 9 km/hr