A man goes downstream at 15 kmph, and upstream8 kmph. The speed of the stream is	Choose the correct choice
A) 0kmph B) 3.5kmph C) 16kmph D) 2.5kmph E) 26kmph
Speed of the stream = 1/2(15-8)kmph   =3.5kmph.   correct option :3.5kmph
<result>B</result>
A man goes downstream at 15 kmph, and upstream8 kmph. The speed of the stream is