search
Q: A man rows a certain distance in a river upstream in 3 h 10 min, and twice the distance downstream in 90 min. What is the ratio of the speed of his rowing in still water to the speed of the current?
  • A. 37 : 19
  • B. 47 : 29
  • C. 17 : 9
  • D. 27 : 19
Correct Answer: Option B -
answer image

Explanations:

explanation image