What is the speed of the boat in still water-I- It takes 4 hours to cover the distance between P and Q downstream-II- It takes 6 hours to cover the distance between P and Q upstream-A- The data in statement I alone is sufficient to answer the question-B- The data in statement II alone sufficient to answer the question-C- The data given in both I and II together are not sufficient to answer the questionD- The data either in statement I alone or statement II alone are sufficient to answer the questionE- The data in both the statement I and II together are necessary to answer the question

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Question

What is the speed of the boat in still water?
I. It takes 4 hours to cover the distance between P and Q downstream.
II. It takes 6 hours to cover the distance between P and Q upstream.

The data in statement I alone is sufficient to answer the question.

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The data in statement II alone sufficient to answer the question.

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The data either in statement I alone or statement II alone are sufficient to answer the question

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The data given in both I and II together are not sufficient to answer the question

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The data in both the statement I and II together are necessary to answer the question

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Solution

The correct option is D The data given in both I and II together are not sufficient to answer the question
$D = 4 \times (b + s) a n d D = 6 \times (b - s)$
So we can't find the value of b.

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What is the speed of the boat in still water? I. It takes 4 hours to cover the distance between P and Q downstream. II. It takes 6 hours to cover the distance between P and Q upstream.

The correct option is D The data given in both I and II together are not sufficient to answer the questionD=4×(b+s) and D=6×(b−s) So we can't find the value of b.

What is the speed of the boat in still water?
I. It takes 4 hours to cover the distance between P and Q downstream.
II. It takes 6 hours to cover the distance between P and Q upstream.

The correct option is D The data given in both I and II together are not sufficient to answer the question
$D = 4 \times (b + s) a n d D = 6 \times (b - s)$
So we can't find the value of b.