Given the following reasoning and answer, what was the question? Speed downstream = 60 + 10 = 70 kmph
Speed upstream = 60 - 10 = 50 kmph
 The answer: (B)
The question The speed of a boat in still water is 60kmph and the speed of the current is 10kmph. Find the speed downstream and upstream?
Options:
(A) 40, 68 kmph
(B) 70, 50 kmph
(C) 90, 60 kmph
(D) 40, 60 kmph
(E) 20, 60 kmph