In Relation puzzle type, mutual blood relations or other information of more than two persons are mentioned and information about any two is mentioned.
Daya has a brother Anil, Daya is the son of Chandra. Bimal is Chandra`s father. In term of relationship, what is Anil of Bimal ?
Anil is the brother of Daya and Daya is the son of Chandra.
So, Anil is the son of Chandra. Now, Bimal is the father of Chandra.
So, Anil is the grandson of Bimal.