1. **Stating the problem:** Amar points to a photograph and says, "I have no brother or sister but that man's father is my father's son." We need to find whose photograph it is and how Lalita is related to Tina. 2. **Understanding the statement:** Amar says he has no siblings, so "my father's son" can only be Amar himself. 3. **Rewriting the statement:** "That man's father is my father's son" means "That man's father is Amar." 4. **Conclusion about the photograph:** If that man's father is Amar, then the man in the photograph is Amar's son. 5. **Relation between Lalita and Tina:** Since the problem does not provide direct information about Lalita and Tina, we cannot determine their relationship from the given statement alone. **Final answers:** - The photograph is of Amar's son. - The relationship between Lalita and Tina cannot be determined from the given information.