Blood Relations Questions

Pointing to K, M said that she was the daughter of the only son of his grandfather. How M is related to K?

Introducing a man, Shamita said, " He is the only son of my mother's mother." How is Shamita related to the man?

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

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.

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

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