1.

In one hour, a boat goes 11km/hr. along the stream and 5 km/hr. against the stream. The speed of the boat in still water (in km/hr.) is:

A. 3 km/hr.
B. 5 km/hr.
C. 8 km/hr.
D. 8 km/hr.
Answer» D. 8 km/hr.


Discussion

No Comment Found