Blood Relations Questions

X and Y are parents of four married sons, one married daughter and one unmarried daughter living in a joint family. Two of the sons have two daughters and one son each. The other two have two sons and one daughter each. How many male members are there in the family.

Mr.X is the only son of Ms. Y's grandfather. If Mr. X has no brothers or sisters and his father is Ms. Y's grandfather, then Mr. X is Ms. Y's ___.

Ms. Chandra said that Lakshmi's husband is the only son of my grandfather. How is Ms. Chandra related to Lakshmi?

If Y is the brother of X, Y is Z's son then Z's father is X's ___.

Pointing to a woman, I said that her brother's only son is the brother of my wife. How is the woman related to me?

Raman told Ananth " Day before yesterday I taught the only brother of the daughter of my paternal grandmother". Whom did Raman teach?