question_answer

Sheila can row her boat at a speed of 5 km/h in still water. If it takes 1 hour more to row the boat 5.25 km upstream than to return downstream, then speed of the stream is:

A)  \[1\text{ }km/h\]                       

B)  \[1\,\frac{1}{2}\,\,km/h\]

C)  \[2\text{ }km/h\]                       

D)  \[2\,\frac{1}{2}\,\,km/h\]

E)  None of these