With downstream speed $14$ km/h and upstream speed $7$ km/h, the stream speed is:
Practice this question from Chapter Mock 9: Boat and Stream, with options and an explanation.
Question
With downstream speed $14$ km/h and upstream speed $7$ km/h, the stream speed is:
Option A
2.5 km/h
Option B
3 km/h
Option C — Correct answer
3.5 km/h
Correct choice.
Option D
4 km/h
Explanation
Stream speed $=\frac{14-7}{2}=3.5$ km/h.