search
arrow-left Previous
Next arrow-right
Q: If a boat goes upstream at a speed of 24 km/hr and comes back the same distance at 40 km/hr. What is the average speed (in km/hr) for the total journey.
  • A. 32
  • B. 30
  • C. 31
  • D. 33
Correct Answer: Option B -
answer image

Explanations:

explanation image