Pointing to a photograph of a lady, Vishal says, "She is the sisterinlaw of my grandfather's daughter". How is the lady in the photograph related to Vishal?
Preeti is the daughter of Rajesh and Amit is the son of Ankita. Rajesh is the only son of Rajan. Ankita is the daughter-in-law of Rajan. How is Preeti related to Amit ?