A sailor while sailing his boat downstream takes 9 hours for 112.5 km while sailing upstream takes 12.5 hours for same distance. What is the average speed of sailor?
1
10.25 kmph
2
1.75 kmph
3
10.47 kmph
4
12.5 kmph
5
None
A sailor while sailing his boat downstream takes 9 hours for 112.5 km while sailing upstream takes 12.5 hours for same distance. What is the average speed of sailor?