Q. 31 A swimmer can swim 10 km in 2 hours when swimming along the flow of a river.
While swimming against the flow, she takes 5 hours for the same distance. Her
speed in still water (in km/h) is _______.
Answer: (3.5)
Explanation:
Q. 31 A swimmer can swim 10 km in 2 hours when swimming along the flow of a river.
While swimming against the flow, she takes 5 hours for the same distance. Her
speed in still water (in km/h) is _______.
Answer: (3.5)
Explanation: