Kusum has only one brother, and he is Mira’s father. Kusum’s son is Yash. What is Mira’s relation to Yash?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Cousin
The children of a brother and of his brother or sister are cousins.
Mira’s father is Kusum’s brother
Yash is Kusum’s son
Mira is the child of the brother of Yash’s parent Kusum: Mira is Yash’s cousin

Why the other options are incorrect
Option (1) Sister — Incorrect. Mira’s father is Kusum’s brother, so he is not a parent of Kusum’s son Yash.
Option (3) Niece — Incorrect. Mira and Yash are children of a brother and his sibling, in the same generation.
Option (4) Aunt — Incorrect. Mira is the child of Yash’s uncle, not a sister of Yash’s parent.