X introduces Y saying, " He is the husband of the grand daughter of the father of my father." How is Y related to X ?
A
Brother
B
Son
C
Brother-in-law
D
Nephew
E
Son-in-law
Correct Answer: Brother-in-law
Father's father---Grandfather; Grandfather's grand daughter---Sister; Sister's husband---Brother-in-law. So, Y is X's brother-in-law.