In decipher jumbled up description type of questions, a round-about description is given in the form of certain small relationships and direct relationship between the persons concerned is to be deciphered.
Pointing to a man in a photograph, Asha said, "His mother's only daughter is my mother."
How is Asha related to that man ?
Asha's mother's mother is man's mother i.e. Asha's mother is man's sister or Ahsa is man's niece.