Question

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

Each of the questions below consists of a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer –
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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