0 0 votes 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 _____ Fluid Mechanics gateme-2015-set1 numerical-answers fluid-mechanics fluid-mechanics-and-thermal-science + – ♦Arjun 211 views answer comment Share Follow Add Sync Questions 0 reply Please log in or register to add a comment.