A,B and C are sisters. D is the brother of E and E is the daughter of B. How is A related to D ?

The correct answer is Aunt.

A, B, and C are sisters. D is the brother of E. E is the daughter of B. Therefore, D is the nephew of A, B, and C. An aunt is the sister of a person’s mother or father. Therefore, A is the aunt of D.

Here is a brief explanation of each option:

• Sister. A sister is a female who shares the same parents as another person. In this case, A, B, and C are sisters. However, D is not related to A, B, or C through their parents. Therefore, A is not D’s sister.
• Cousin. A cousin is a person who shares a grandparent with another person. In this case, D is the nephew of A, B, and C. However, D is not related to A, B, or C through their grandparents. Therefore, A is not D’s cousin.
• Niece. A niece is a female who is the daughter of a person’s brother or sister. In this case, D is the nephew of A, B, and C. Therefore, A is D’s aunt.
• Aunt. An aunt is the sister of a person’s mother or father. In this case, D is the nephew of A, B, and C. Therefore, A is the aunt of D.