question_answer

A steamer goes downstream & covers the distance in 4 hours, while it covers the same distance in 5 hours when going upstream. If the speed of stream is 2 km/hr, then find the speed of the steamer in still water.

A)  12 km/hr                      

B)  14 km/hr

C)  16 km/hr                      

D)  18 km/hr

E)  None of these