Question : B is the brother of A. How is A related to B ?

Statements :
I. A is the sister of C.
II. E is the husband of A.
  • 1I alone is sufficient while II alone is not sufficient
  • 2II alone is sufficient while I alone is not sufficient
  • 3Either I or II is sufficient
  • 4Neither I nor II is sufficient
Answer:- 1
Explanation:-

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.

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