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Question

# The given question consists of a set of statements. Find out whether the data provided in the statements are sufficient to answer the question and mark the option: A train crosses a pole in 15 seconds. What is the length of the train? I. The train crosses another train running in opposite direction with a speed of 120 kmph in 33 seconds. II. The speed of the train is 162 kmph.

A

if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.

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B

if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.

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C

if the data either in Statement I or in Statement II alone are sufficient to answer the question.

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D

if the data even in both Statements I and II together are not sufficient to answer the question.

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E

if the data in both Statements I and II together are necessary to answer the question.

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Solution

## The correct option is B if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question. Time taken to cross a pole =Length of trainSpeed of train ⇒15=Length of train(162×518) ⇒ Length of the train = 675 m Clearly, II is sufficient to get the answer. Also, I is not sufficient to get the answer.

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