 
 <translate> Iyara ọkọ oju omi ni omi ti o dakẹ = (100+112)/2 = 106 kmph. Ìyára tí ìsun omi ń yára yára = (100-112)/2 = 6 kmph Nítorí náà ìdáhùn tí ó kẹ́yìn ni (B). <hau> Saurin jirgin ruwa a cikin ruwa mai nutsuwa = (100 + 112) / 2 = 106 kmph. Saurin rafin = (100-112) / 2 = 6 kmph Saboda haka amsar karshe ita ce (B). 