Calculate how long it will take a swimmer to swim a distance of 10km against the current of a river which flows at 3km/hr, given that he can swim in still water at 5km/h
Choose the correct answer: A) 3 B) 4 C) 5 D) 6 E) 7
swim in still water at = 5   speed of river= 3   US = 5 - 3= 
<gadget id="calculator">5 - 3</gadget>
<output>2</output>
2   Distance= 10   T = 10/2= 
<gadget id="calculator">10/2</gadget>
<output>5</output>
5   Answer: 5
<result>C</result>
Calculate how long it will take a swimmer to swim a distance of 10km against the current of a river which flows at 3km/hr, given that he can swim in still water at 5km/h