If Kamal says, "Ravi's mother is the only daughter of my mother, How is Kamal related to Ravi?
If Kamal says, "Ravi's mother is the only daughter of my mother, How is Kamal related to Ravi? Correct Answer None of these
Only daughter of Kamal's mother---Kamal's sister. So, Ravi's mother is Kamal's sister or Kamal is the brother of Ravi's mother i.e., Ravi's maternal uncle.