Saloni is the daughter of the only son of Kartik. Nirupama is the mother of Deepak. Yamini’s only son, Ankit, is married to Nirupama. Kartik is the paternal grandfather of Deepak. How is Kartik related to Ankit?

The correct answer is Father.

Let us break down the relations step-by-step to determine how Kartik is related to Ankit:

Step 1: Identify Deepak's parents
We are told that Nirupama is the mother of Deepak.
Yamini's only son, Ankit, is married to Nirupama. Therefore, Ankit is the husband of Nirupama, which means Ankit is the father of Deepak.

Step 2: Connect Kartik to the family
We are told that Kartik is the paternal grandfather of Deepak.
A paternal grandfather is the father's father. Since Deepak's father is Ankit, Kartik must be the father of Ankit.

Step 3: Verify the remaining clues
We are also told that Saloni is the daughter of the only son of Kartik. Since Kartik's only son is Ankit, Saloni is the daughter of Ankit, which perfectly aligns with the established family tree.

Thus, Kartik is related to Ankit as his Father.