One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs for each direction.What is the velocity of stream?

One ship goes along the stream direction 28 km and in opposite directi

1.	One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs for each direction.What is the velocity of stream?
A.	1.5 kmph
B.	2.5 kmph
C.	1.8 kmph
D.	2 kmph
Answer» B. 2.5 kmph