A man goes downstream at 12 kmph, and upstream8 kmph. The speed of the stream is  Choose the correct choice from the following options.
A) 2kmph  B) 4kmph  C) 16kmph  D) 2.5kmph  E) 26kmph
Speed of the stream = 1/2(12-8)kmph   =2kmph.   correct option 2kmph
<result>A</result>
A man goes downstream at 12 kmph, and upstream8 kmph. The speed of the stream is