Q. A swimmer is swimming up a river against the current. Next to bridge A he loses an empty water bottle. 20 minutes later he notices the loss and turns around. He finds the water bottle by Bridge B. Knowing that the distance between twp bridges is 2km how fast is the river flowing

• 6kmph.. A to B is 2km, so at 20 mins it will travel 2 km..
• 12 years agoHelpfull: Yes(0) No(1)