A swimmer can swim downstream at 13 km/h and upstream at 7 km/h. Find the speed of swimmer in still water.
A6 km/h
B20 km/h
C10 km/h
D8 km/h
A6 km/h
B20 km/h
C10 km/h
D8 km/h
Related Questions:
A boat covers 12 km upstream and 18 km downstream in 3 hours, while it covers 36 km up- stream and 24 km downstream in 6 hours. What is the speed of the current ?