Leela, who is Sohan's daughter, says to Latika, "Your mother Alka is the younger sister of my father who is the third child of Gajanan." What is the relation of Gajanan to Latika ?

The correct answer is C: Grandfather.
Let's break down the relationships step by step:

1. Leela's statement: "Your mother Alka is the younger sister of my father who is the third child of Gajanan."

2. Decoding:
   * Leela's father is Sohan.
   * Alka is Latika's mother.
   * Alka is Sohan's younger sister.
   * Sohan is the third child of Gajanan.

3. Putting it together:
   * Sohan and Alka are siblings (brother and sister).
   * Gajanan is the father of both Sohan and Alka.
   * Therefore, Gajanan is the father of Latika's mother (Alka).

4. Conclusion: Since Gajanan is the father of Latika's mother, Gajanan is Latika's grandfather.