✍RRB NTPC Reasoning PDF 2025 – गलती से भी ये सवाल मिस मत करना।🎯

Identify The Blood Relation Pointing to a photograph, a man says, “She is the daughter of my grandfather’s only son.” Who is she?
रक्त संबंध की पहचान करें

Note: grandfather’s only son is the man’s father, and his daughter is the man’s sister.