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The following question consists of a question and two statements numbered I and II given below it. You have to decide whether the data given in the statements are sufficient to answer the questions. Read both the statements and give answer.
B is the brother of A. How is A related to B ?
I. A is the sister of C.
II. E is the husband of A.
The data in both the statements I and II together are necessary to answer the question.
The data in statement I and II together are not sufficient to answer the question.
The data either in statement I alone or statement II alone are sufficient to answer the question.
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.
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.
The data in both the statements I and II together are necessary to answer the question.
The data in statement I and II together are not sufficient to answer the question.
The data either in statement I alone or statement II alone are sufficient to answer the question.
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.
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.
Solution
B is A’s brother means A is either brother or sister of B. Now, each one of I and II individually indicates that A is a female, which means that A is B’s sister.