 
 <translate> Consider the question. The speed of a boat in still water is 60kmph and the speed of the current is 30kmph. Find the speed downstream and upstream?
Options:
(A) 40, 68 kmph
(B) 40, 30 kmph
(C) 90, 60 kmph
(D) 40, 60 kmph
(E) 90, 30 kmph
 If the answer is '(E)'; explain the reasoning: <hau> Ka yi la'akari da wannan tambayar. Saurin jirgin ruwa a cikin ruwa mai nutsuwa shine kilomita 60 a kowace awa kuma saurin rafi shine kilomita 30 a kowace awa. Gano saurin da ke ƙasa da sama? Zaɓuɓɓuka: (A) 40, 68 kilomita a kowace awa (B) 40, 30 km a kowace awa (C) 90, 60 kilomita a kowace awa (D) 40, 60 km a kowace awa (E) 90, 30 kilomita a kowace awa Idan amsar ita ce " (E) "; bayyana dalilin: 