The speed of a boat when travelling downstream is 48 km/h, whereas when travelling upstream it is 32 km/h. What is the speed of the boat in still water?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 40 km/h.
Speed of boat in still water = (48 + 32)/2 = 80/2 = 40 km/h