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A boatman has to travel from A to B and from B to C via his boat. The distance between A and B is (x + 40) km and the distance between B and C is (3x – 60) km. The total time taken by boatman to travel from A to B downstream, and B to C upstream in 12 hours, and the total time taken by him to travel back from C to B downstream and B to A upstream is 10.5 hours. Find the speed of the stream.
Statement I: The ratio of downstream speed to the upstream speed is 2: 1
Statement II: The ratio of distance between A to B and B to C is 2: 3
The data in statements I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question.
The data in statements II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question.
Either Statement I or Statement II alone is sufficient to answer the question.
. The data in both the statements I and II is not sufficient to answer the question.
The data in both the statements I and II together is necessary to answer the question.
We get, y = 3s and s = 10 So statement II alone is sufficient Hence, option C is correct.
By: Parvesh Mehta ProfileResourcesReport error
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