Blood Relation Question Solving Trick and notes

Problems based on blood relations are a very important segment of analytical reasoning. The question papers of almost every competitive exams of objective type include 4-5 questions base on blood relation. Particularly for getting jobs in banking sectors one has a good skill of solving such questions. In this chapter, we are giving a quicker approach to crack problems based on blood relation.

Blood Relation


Blood relation does mean biological relation. Remember a wife and husband are met biologically related but they are biological parents of their own children. Similarly, brother, sister, paternal grandfather, paternal grandmother maternal grandfather, maternal grandmother, grandson, granddaughter, niece, cousin etc. are our blood relatives.


There are mainly two types of blood relatives:

  1. Blood relation from the paternal side
  2. Blood relation from the maternal side

Now, we will discuss both kinds of relations one-by-one.

1. Blood relation from the paternal side

This type of blood relation can be further subdivided into three types:

  • Past generations of father: Great grandfather, great grandmother, grandfather, grandmother etc.
  • Parallel generations of father: Uncles (Brothers of the father), aunts (Sister of the father) etc.
  • Future generations of father: Sons, daughters, grandsons, granddaughters etc.

2. Blood relation from the maternal side

This type of blood relations can be subdivided into  three types:

  • Past generations of mother: Maternal great grandfather, maternal great-grandmother, maternal grandfather, maternal grandmother etc.
  • Parallel generations of mother: Maternal uncles, maternal aunts etc.
  • Future generations of mother: Sons, daughters, grandsons, granddaughters etc.

In the examinations, the questions are given in a complicated way. In other words, in the given questions, the easy relationship takes the complicated form and examinees are expected to solve this complicated in order to find out the correct answer. How does an examinee get the aid of this complication? For this, an examinee sees the given data in the question with a serious eye; then tries to establish relationships among elements of given data relation among elements of given data on the basis of certain logic and finally finds out the required answer. In fact complications in the asked question occur because of the given indirect relation. It does mean questions are in the form of indirect relation & one has to convert this indirect relation into direct relation. For example “the only son of my father” does mean’me’ (myself) Here in place of ‘me’ indirect relation has been given in form of “the only son of my father” Similarly, “the only daughter of the parents-in-law of the husband of Vandana” does mean Vandana herself. In this example also the sentence “the only daughter of the parents-in-law of the husband of’ Vandana’ has been given in the form of indirect relation. Below are given some indirect relation in the form of a list. Examinees are required to learn.

1 Son of Father or Mother Brother
2 Daughter of Father or Mother Sister
3 Brother of Father Uncle
4 Brother of Mother Maternal Uncle
5 Sister of father Aunt
6 Sister of Mother Aunt
7 Father of Father Grand Father
8 Father of Father of father Great GrandFather
9 Father of Grand Father Great GrandFather
10 Mother of Father Grandmother
11 Mother of grandmother Great GrandMother
12 Mother of mother of father Great GrandMother
13 Father of mother Maternal Grand Father
14 Father of Father of mother Great Maternal Grand  Father
15 Father of maternal  Grandfather Great Maternal grandfather
16 Mother of Mother Maternal Grand Mother
17 Mother of Mother of mother Great Maternal Grandmother
18 Mother of Maternal Grandmother Great Maternal Grandmother
19 Wife of father Mother
20 Husband of Mother Father
21 Wife of Grandfather Grandmother
22 Husband of grandmother Grandfather
23 Wife of Son Daughter in law
24 Husband of daughter Son-in-Law
25 Brother of Husband Brother –in Law
26 Brother pf Wife Brother-in-law
27 Sister of Husband Sister-in-Law
28 Sister of wife Sister in law
29 Son of Brother Nephew
30 Daughter of Brother Niece
31 Wife of brother Sister-in-law
32 Husband of sister Brother-in-law
33 Son of sister Nephew
34 Daughter of Sister Niece
35 Wife of Uncle Aunt
36 Wife of maternal Uncle Aunt
37 Son/Daughter of Uncle/Aunt Cousin
38 Son/daughter of maternal Uncle/Aunt  Cousin
39 Son/daughter of sister of father Cousin
40 Son/Daughter of sister of mother Cousin
41 Only Son of Grandfather Father
42 Only daughter of maternal grandfather Mother
43 Daughter of grandfather Aunt
44 Sons o0f grandfather other than father Uncle
45 Son of maternal grandfather/grandmother Maternal Uncle
46 Only daughter in law of grandfather/grandmother Mother
47 Daughter in law of grandfather/grandmother Aunt other than mother
48 Daughter in law of maternal grandfather Aunt Maternal
49 Daughter in law of maternal grandmother Aunt maternal
50 Neither brother nor sister self

Also, Take a mock test about Train based Question 

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