Blood Relations Questions

If X's mother is the only daughter of Y's father, then Y's husband 's father is X's ___.

Pointing towards a girl, Chetan said "She is the daughter of the only child of my grandmother". How is Chetan related to that girl?

Raju introduces Yash by saying, "He is the husband of the granddaughter of my grandmother's husband". How is Yash related to Raju?

Chanda is the wife of Bharat. Mohan is the son of Chanda. Ashish is the brother of Bharat and father of Dhruv. How is Mohan related to Dhruv?

Pointing towards a man Soumya says, "His mother's daughter is my sister". How is Soumya related to the man?

F is the Father of S and D. D's Paternal aunt's daughter is E. How is F related to E?

Rajiv is the brother of Arun. Sonia is the sister of Sunil. Arun is the son of Sonia. How is Rajiv related to Sunil?

Shubham's mother is the sister-in-law of Shashi and Shashi is the only daughter of Parmeshwar. Ravi is Shubham's brother. How is Shashi related to Ravi?