Question

What is the speed of boy in still water? Statement I : The speed of man in still water is four times the speed of the stream. Statement II : In 30 minutes, the man can swim twice as far with the stream as he can against the stream.

Directions(Q.71 -75) : In each of the following questions, a question and two statements I and II are given. You have to decide whether the date given in the statements are sufficient to answer the question or not.
A If the data in statement I alone is sufficient to answer the question.
B If the data in statement II alone is sufficient to answer the question.
C If the data either in statement I alone or statement II alone are sufficient to answer the question.
D If the data given in both I and II together are not sufficient to answer the question.
E If the data in both the statements I and II together are necessary to answer the question.
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