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: Cousin.

A, B, and C are sisters. This means that they share the same parents. D is the brother of E. This means that D and E have the same parents. E is the daughter of B. This means that E is B’s child. Therefore, A is the cousin of D.

Here is a diagram to illustrate the relationships:

[Diagram of a family tree with A, B, C, D, and E]

A is the sister of B and C. B is the mother of E. D is the brother of E. Therefore, A is the cousin of D.

Here is a brief explanation of each option:

• Sister: A and D are not sisters because they do not share the same parents.
• Cousin: A and D are cousins because they share a grandparent.
• Niece: A is not the niece of D because D is not A’s brother or sister.
• Aunt: A is not the aunt of D because D is not A’s niece or nephew.