Blood Relations Questions

‘A 4 B’ means ‘A is mother of B’, ‘A 6 B’ means ‘A is wife of B’, ‘A 8 B’ means ‘A is son of B’ and ‘A 2 B’ means ‘A is father of B’. Which of the following represents F as the grandson of V?

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

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

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?

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?