 
 <translate> Speed downstream = 60 + 20 = 80 kmph
Speed upstream = 60 - 20 = 40 kmph
The answer: (B). <hau> Saurin saukar da ruwa = 60 + 20 = 80 kmph Saurin hawan sama = 60 - 20 = 40 kmph Amsar ita ce: (B). 