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Question

# The sum of ages of M, N and 0 is 50 yr. What is N's age? I. N is 10 yr older than M. II. 0 is 30 yr old.

A

If the data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question

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B

If the data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question

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C

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

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D

If the data given 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 E If the data in both statements I and II together are necessary to answer the question. As given in the question, M + N +O = 50 yr On combining Statements I and II, we get N = 15 yr So, both statements are required to answer the question.

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