A: The speed of the stream is the difference between the speed of the boat in still water and the speed in the stream. 42kmph in still water = 42kmph in the stream. Hence, the speed of the stream is 42 - 2 = 14 kmph. The answer is (C).
Answer the following multiple choice question with options (a), (b), (c), (d), (e) by reasoning step-by-step.
Q:The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream? Answer Choices: A)77 B)88 C)14 D)12 E)17