Question

What is the speed of the stream?
I. The boat covers a distance of 54 km in 3 hours while running downstream.
II. The boat covers the same distance in 6 hours while running upstream.

Q: Answer-What is the speed of the stream? I. The boat covers a distance of 54 km in 3 hours while running dow...

we know that speed DistanceTime From statement I Downstream speed 543 18 kmhr Upstream speed 546 9 kmhr Speed of stream 12 Downstream - upstream speed 12 18 - 9 4.5 kmhr Therefore, both the statements are necessary to answer the question.

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 question can be answered with the help of both the statements but not with the help of either statement itself

B If the question cannot be answered even with the help of both the statements.

C If the question can be answered with the help of statement II alone.

D If the question can be answered with the help of statement I alone.

E If the question can be answered with the help of either statement alone.

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