Blood Relation Questions with Answers and Explanation. Hello All. We have dealt with four problems and their sub-problems based on family tree and relationships. Relationships can be blood relations and Social relations in the family. We have tried to deal both in different questions. This content is helpful for both school children aspiring for competitive exams like SOF-IGKO, NTSE etc. and also for aspirants of job oriented competitive exams like UPSC, RRB, NET, SSC who want to make it of their own. Hope you liked watching it. Don't forget to like share and SUBSCRIBE by pressing the bell. Write to us regarding your suggestions. Thanks, Parna